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Yume Nikki:Effects: Difference between revisions

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There are 24 'proper' effects in ''[[Yume Nikki]]''. Each 'effect' changes [[Madotsuki]]'s appearance and some provide special abilities. None of the effects are mandatory to progress through the game, so they can be collected in any order (except for 'poop hair', which requires either Yuki-onna or umbrella) but many optional events and locations are unreachable without them.
[[File:YN Effect Eggs.png|thumb|250px|Effect eggs in the [[Yume Nikki:Nexus|Nexus]].]]
[[File:Kimg011.jpg|thumb|240px|The effects as they appear in the [[Yume Nikki:Yume Nikki (manga)|manga]].]]


The effects are scattered throughout the dream world, and some more easily found than others. Gathering all 24 effects is considered to be the primary objective of the game, and only when all effects have been gathered can the player see the game's finale. Some effects are found in certain locations whereas others are received from interacting with characters.
The main objective in ''[[Yume Nikki:Yume Nikki|Yume Nikki]]'' is to collect the '''24 effects''' found throughout [[Yume Nikki:List of Locations|the dream world]]. Some effects grant unique abilities that can be used to access certain [[Yume Nikki:events|events]] or locations; the rest are mostly cosmetic.


Very few players achieve the goal of gathering all effects alone, so walkthroughs exist mainly to help find each one.
Effects are found by interacting with objects or [[Yume Nikki:List of Characters#Effect NPCs|certain characters]]. All effect-givers are unique from the other characters in the game. They can be collected in any order, except for the Poop Hair effect, which requires either the Yuki-onna or Umbrella effect first. It is also recommended to get the Lamp effect early, as a couple other effects require passing through dark areas.


= Effects =
Effects can be dropped in the [[Yume Nikki:Nexus|Nexus]] by pressing 5. They appear as eggs and are removed from the menu. Once all 24 effects are dropped, the player can access the [[Yume Nikki:Ending|ending]].
== Frog ==
[[File:Frog.png|right]]
''Become a frog''


'''Appearance:''' Madotsuki transforms into a humanoid frog
The name of each effect may be [[Yume Nikki:Translation Differences|different between translations]]. The names used by the ''Uboachan'' fan translation are preferred due to its historic use by most (English-speaking) players. The names of the English Steam translation and mobile release translation are stated below each header, as well as the original Japanese. The effect descriptions are written with Uboachan first, Steam second, and mobile last (only if it differs from Steam).


'''Passive Effect:''' Madotsuki walks at normal speed through water
==Effects==
===Frog===
[[File:Madotsuki frog faceset.png|right]]
[[File:Frog_Egg.png|right]]


'''Action:''' (1) Madotsuki hops in place like a frog
'''(かえる)'''


'''Location:''' ''Either'' The [[Forest World]] or [[Dense Woods|Dense Woods B (Frog Path)]] - Interact with the [[List of characters#frogs|Frog]]
''Become a frog / Transform into a frog.''


'''Practical Uses:''' Walking through the [[Pink Sea]] is much faster, although the [[Effects#Bicycle|Bicycle]] does the same thing.
'''Appearance:''' Madotsuki transforms into a humanoid frog, walking with a hunched-over back.


== Umbrella ==
'''Passive Effect:''' Madotsuki walks at normal speed through water.
 
'''Action:''' (1) Madotsuki hops in place like a frog.
 
'''Location:''' Either [[Yume Nikki:Forest World|Forest World]] or [[Yume Nikki:Dense Woods B#Frog Path|Dense Woods B (Frog Path)]] - Interact with the [[Yume Nikki:Frog|Frog]].
 
'''Practical Uses:''' Walking through the [[Yume Nikki:Pink Sea|Pink Sea]] and [[Yume Nikki:Poniko's House#Uboa's Trap|Uboa's Trap]] is much faster, although the Bicycle does the same thing.
 
===Umbrella===
[[File:Umbrella.png|right]]
[[File:Umbrella.png|right]]
''Open an umbrella''
[[File:Umbrella_Egg.png|right]]


'''Appearance:''' Madotsuki holds a red umbrella
'''(かさ)'''


'''Passive Effect:''' It rains, which continues until Madotsuki unequips the umbrella into her normal form. The rain also enables the [[Effects#Demon|Demon]] effect to produce a clap of thunder and lightning.
''Open an umbrella / Use an umbrella.''


'''Action:''' (1) Madotsuki spins the umbrella
'''Appearance:''' Madotsuki holds a red umbrella.


'''Location:''' [[Puddle World]] - Pick it up off the ground (Go North from the door until you come to the second lamp post, then go East until you see the lighted one. And then go south until you find the Umbrella)
'''Passive Effect:''' It rains, which continues until Madotsuki unequips the umbrella into her normal form. The rain also enables the Demon effect to produce a clap of thunder and lightning. She is unable to enter the restrooms in Block World and Graffiti World and cannot enter [[Yume Nikki:Beds|beds]] when it is equipped.


'''Practical Uses:''' Can be used to douse the fire in the [[Underground World|The Blazing Corridor]], although the [[Effects#yuki-onna|Yuki-onna]] effect does the same thing. Can be used to stop the rain in [[Dense Woods|Dense Woods A]].
'''Action:''' (1) Madotsuki spins the umbrella.


== Hat and Scarf ==
'''Location:''' [[Yume Nikki:Puddle World|Puddle World]] - Pick it up off the ground.
 
'''Practical Uses:''' Can be used to douse the fire in the [[Yume Nikki:Underground World|Blazing Corridor of Underground World]], although the Yuki-onna effect does the same thing. Can be used to stop the rain in the [[Yume Nikki:Dense Woods A|Dense Woods A]] if the effect is equipped and then unequipped.
 
[[File:YN Umbrella Usage.png|thumb|center|250px|Madotsuki extinguishing the Blazing Corridor's flames with the Umbrella effect.]]
 
===Hat and Scarf<span id="Hat & Scarf"></span>===
[[File:Hat_and_Scarf.png|right]]
[[File:Hat_and_Scarf.png|right]]
[[File:Hat_and_Scarf_Egg.png|right]]
[[File:Hat_and_Scarf_2.png|right]]
[[File:Hat_and_Scarf_2.png|right]]
''Wear a hat and scarf''
 
'''{{Tooltip|Hat & Scarf|Name in the English Steam version.}}(ぼうしとマフラー)'''
 
''Wear a hat and scarf / Don a hat & scarf. / Put on a hat and scarf.''


'''Appearance:''' Madotsuki wears a hat and scarf.
'''Appearance:''' Madotsuki wears a hat and scarf.


'''Passive Effect:''' In the snowman form, Madotsuki cannot pinch herself awake due to her lack of arms.
'''Passive Effect:''' In the snowman form, Madotsuki cannot pinch herself awake due to her lack of arms, and she walks twice as slow.


'''Action:''' (1) When snowing, Madotsuki transforms into a snowman.
'''Action:''' (1) When snowing, Madotsuki transforms into a snowman.


'''Location:''' [[Block World]] - Pick it up off the ground.
'''Location:''' [[Yume Nikki:Block World|Block World]] - Pick it up off the ground.


'''Practical Uses:''' As a snowman, interacting with [[Mafurako]] will always teleport you back by her side on the return trip, meaning you don't have to search for her to teleport again. In the Blazing Corridor, standing next to the fire will cause Madotsuki to slowly melt and become immobile.
'''Practical Uses:''' Interacting with [[Yume Nikki:Mafurako|Mafurako]] in Block World as a snowman will always teleport you back by her side when returning from an upper area. In the Blazing Corridor, standing next to the fire as a snowman will cause Madotsuki to [[Yume Nikki:Events#Melting Madotsuki|slowly melt and become immobile]].


== Yuki-onna ==
===Yuki-onna<span id="Snow Woman"></span>===
[[File:Yuki-onna.png|right]]
[[File:Yuki-onna.png|right]]
''Become the snow woman''
[[File:Yuki-onna_Egg.png|right]]


'''Appearance:''' Madotsuki transforms into a Yuki-onna.
'''{{Tooltip|Snow Woman|Name in the English Steam and mobile versions.}}(ゆきおんな)'''


'''Passive Effect:''' It snows, which continues until Madotsuki unequips the Yuki-onna effect into her normal form. This also enables the Hat and scarf effect to transform Madotsuki into a snow... Woman.
''Become the snow woman / Morph into a Snow Woman. / Transform into a snow woman.''


'''Action:''' None
'''Appearance:''' Madotsuki transforms into a [[wikipedia:Yuki-onna|Yuki-onna]].


'''Location:''' Snow World - Interact with the small Yuki-onna NPC (Keep going right until you see an isolated tree, then go south until a group of trees are in your sight. The Yuki-onna should be around that area.)
'''Passive Effect:''' It snows, which continues until Madotsuki unequips the Yuki-onna effect into her normal form. This enables you to use the Hat and Scarf effect's transformation in any area.


'''Practical Uses:''' Can be used to douse the fire in the Blazing Corridor, although the Umbrella does the same thing. Can be used to stop the snow in the Snow World.
'''Action:''' None.


== Knife ==
'''Location:''' [[Yume Nikki:Snow World|Snow World]] - Interact with the [[Yume Nikki:Yuki-onna|Yuki-onna]].
 
'''Practical Uses:''' Can be used to douse the fire in the Blazing Corridor, although the Umbrella does the same thing. Can be used to stop the snow in Snow World if the effect is equipped and then unequipped.
 
===Knife<span id="Kitchen Knife"></span>===
[[File:Knife.png|right]]
[[File:Knife.png|right]]
''Wield a kitchen knife''
[[File:Knife_Egg.png|right]]
 
'''{{Tooltip|Kitchen Knife|Name in the English Steam and mobile versions.}}(ほうちょう)'''
 
''Wield a kitchen knife / Equip a kitchen knife.''


'''Appearance:''' Madotsuki holds a knife.
'''Appearance:''' Madotsuki holds a knife.


'''Passive Effect:''' Mobile NPCs will run away from her. Most animated characters will animate faster.
'''Passive Effect:''' Mobile NPCs will run away from her. Most characters that can't move will animate faster, as if in panic.
 
[[File:YN Stabbing Room.png|thumb|right|250px|The Stabbing Room, which is easily traversed with the Knife effect.]]


'''Action:'''
'''Action:'''
*(1) Madotsuki switches the knife between hands
*(1) Madotsuki switches the knife between her hands.
*(Z) Madotsuki stabs with the knife, killing or wounding characters. Some characters and objects react strangely to being stabbed, including:
*({{control|Interact}}) Madotsuki stabs with the knife, killing or wounding characters. Some characters and objects react strangely or cause something to occur after being stabbed, including:
**[[Toriningen]] - Become Lunatic
**[[Yume Nikki:Toriningen|Toriningen]] - Will turn into their lunatic form if they weren't already, and will begin chasing Madotsuki.
**[[List of characters#Martian|Tasei-san]] - His eye changes colour
**[[Yume Nikki:Mars-san|Mars-san]] - Its eye changes color and a small wound appears on its foot.
**Arms and Legs in the [[White Desert|The white street 2]] - They twitch
**[[Yume Nikki:Onsen-san|Onsen-san]] - It completely changes color and stops drinking its water.
**Eye Box in the [[White Desert]] - Has a 1/30 chance of taking you to the eye people room.
**[[Yume Nikki:Pain Blob|Pain Blob]] - Shows its face.
**[[List of characters#Unnamed Group (Footprint Passage 1)|Unnamed (Footprint Path 1)]] - The one in [[Hell]] has a 1/256 chance of transporting you to [[Footprint Path|Footprint Path 1]]
**Arms and Legs in the [[Yume Nikki:White Desert A#White Desert Path|White Desert Path]] - They twitch.
**[[Yume Nikki:White Desert A#Eye Box|Eye Box]] - Has a 1 in 30 chance of taking you to the [[Yume Nikki:Eye People|Eye People]] section of the White Desert. The same condition and chance applies to going back to White Desert A.
**[[Yume Nikki:Dave Spector|Dave Spector]] - Stabbing the southwest one grants access to other White Desert areas in the tunnel it wanders by.
**[[Yume Nikki:Henkei Shita|Henkei Shita]] - The one in [[Yume Nikki:Hell|Hell]] has a 1 in 256 chance of transporting you to the [[Yume Nikki:Footprint Path#Footprint Path A|Footprint Path A]].
**Extinguishes candles in Candle World.
**Makes the eyeballs change color in [[Yume Nikki:Eyeball World|Eyeball World]].


'''Location:''' The [[Dark World]] (Somewhat North East of the wilderness gate.)
'''Location:''' [[Yume Nikki:Dark World|Dark World]] - Pick it up off the ground.


'''Practical Uses:'''
'''Practical Uses:'''
*Killing/wounding [[List of characters|NPCs]]
*Killing/wounding [[Yume Nikki:List of characters|NPCs]].
*Scaring NPCs away from you - Can be used to move NPCs that block your way
*Scaring NPCs away from you - can be used to move NPCs that block your way.
*Interacting with the environment
*Interacting with the environment.
*Obtaining [[Vending Machine#Yen|Money]] by killing NPCs
*Obtaining [[Yume Nikki:Vending Machine#Yen|money]] by killing NPCs.
*Sending Toriningen into a Lunatic state
*Accessing new areas.
*Accessing new areas


== Medamaude ==
===Medamaude<span id="Eye Palm"></span><span id="Evil Hand"></span>===
[[File:Medamaude.png|right]]
[[File:Medamaude.png|right]]
''Become Medamaude''
[[File:Medamaude_Egg.png|right]]
 
'''{{Tooltip|Eye Palm|Name in the English Steam version.}} / {{Tooltip|Evil Hand|Name in the mobile version.}}(めだまうで)'''
 
''Become Medamaude / Warp into an Eye Palm. / Transform into {{tooltip|a evil|Typo present in the game}} hand.''
 
'''Appearance:''' Madotsuki's head becomes a giant hand with an eye in its palm.


'''Appearance:''' Madotsuki's head becomes a giant hand with an eye in it's palm.
'''Passive Effect:''' None.


'''Passive Effect:''' None
'''Action:''' (1) Madotsuki closes her palm and teleports to the center of the [[Yume Nikki:Nexus|Nexus]].


'''Action:''' (1) Madotsuki closes her palm and teleports to [[The Nexus]]
'''Location:''' [[Yume Nikki:Eyeball World|Eyeball World]] - Interact with [[Yume Nikki:Medamaude|Medamaude]].


'''Location:''' [[Eyeball World]] - Interact with [[List of characters#Medamaude|Medamaude]] (Below the large mass of eyes, near a hopping leg, is a hand with an eye embedded into its palm.)
'''Practical Uses:''' Can be used to teleport back to the Nexus quickly and escape from traps (such as being caught by a Toriningen or [[Yume Nikki:Uboa|Uboa]]) without having to pinch yourself awake.


'''Practical Uses:''' Can be used to teleport back to the Nexus quickly and escape from traps without having to pinch yourself awake.
'''Notes:''' When Madotsuki pinches herself, you can notice a little teardrop.


== Fat ==
===Fat<span id="Fatten"></span><span id="Get Fat"></span>===
[[File:Fat.png|right]]
[[File:Fat.png|right]]
''Get fat''
[[File:Fat_Egg.png|right]]
 
'''{{Tooltip|Fatten|Name in the English Steam version.}} / {{Tooltip|Get Fat|Name in the mobile version.}}(ふとる)'''
 
''Get fat / Balloon in size. / Get fat.''


'''Appearance:''' Madotsuki becomes fatter.
'''Appearance:''' Madotsuki becomes fatter.


'''Passive Effect:''' None
'''Passive Effect:''' None.


'''Action:''' (1) Madotsuki's belly rumbles and an emote appears.
'''Action:''' (1) Madotsuki's belly rumbles and an emote appears.


'''Location:''' The Docks - Interact with [[List_of_characters#Sotoburu|Sotoburu]] (From the stairs that lead to [[Hell]], go all the way to the right, go up, then chose the path to the right and follow it until you find the Red man.)
'''Location:''' [[Yume Nikki:Docks B|Docks B]] - Interact with [[Yume Nikki:Strober|Strober]].


'''Practical Uses:''' None
'''Practical Uses:''' None.


== Midget ==
===Midget<span id="Dwarf"></span>===
[[File:Midget.png|right]]
[[File:Midget.png|right]]
[[File:Midget7.JPG|right|frame|Maximum number of Madotsuki midgets]]
[[File:Midget_Egg.png|right]]
''Become small''
[[File:Midget7.JPG|right]]


'''Appearance:''' Madotsuki becomes very small
'''{{Tooltip|Dwarf|Name in the mobile version.}}(こびと)'''


'''Passive Effect:''' Madotsuki can fit through certain small entrances
''Become small / Shrink in size. / Transform into a dwarf<!--period missing ingame-->''
 
'''Appearance:''' Madotsuki becomes very small.
 
'''Passive Effect:''' Madotsuki can fit through certain small entrances.


'''Action:'''
'''Action:'''
*(1) Madotsuki produces another midget which walks in sync with her. She can produce up to 7 midgets at once.
*(1) Madotsuki produces another midget which walks in sync with her. She can produce up to 7 midgets at once.
*(3) One of the cloned midgets will burst in a small spray of blood.
*(3) One of the cloned midgets will scream and burst in a small spray of blood.


'''Location:''' [[Candle World]] - Catch and interact with the [[List of characters#dwarf|Dwarf]].
'''Location:''' [[Yume Nikki:Candle World|Candle World]] &ndash; Catch and interact with the [[Yume Nikki:Dwarf|Dwarf]].


'''Practical Uses:'''
'''Practical Uses:'''
*Getting in and out of the Stairwell on [[Mars]].
*Getting in and out of the stairwell on [[Yume Nikki:Mars|Mars]].
*Getting into [[List of locations#Sewers|Sewer Tunnel C]] from [[List of locations#Sewers|Sewer Tunnel B]]
*In the [[Yume Nikki:Sewers|Sewers]], going through the blocked entrance in the first tunnel to enter the tunnel with the stairs to the [[Yume Nikki:Docks A|Docks A]].
*Viewing [[Yume Nikki:Closet Madotsuki|Closet Madotsuki]] in the [[Yume Nikki:Checkered Tile Path|Checkered Tile Path]], as Madotsuki's normal height blocks the view.
*Going under the large pipes in [[Yume Nikki:Underground World|Underground World]].


== Flute ==
===Flute===
[[File:Flute.png|right]]
[[File:Flute.png|right]]
[[File:Effect_flute.png|frame]]
[[File:Flute_Egg.png|right]]
''Play a flute''
[[File:Effect_flute.png|right]]


'''Appearance:''' Madotsuki holds a flute to her lips
'''(ふえ)'''


'''Passive Effect:''' None
''Play a flute / Brandish a flute. / Equip a flute.''


'''Action:''' (1) Madotsuki plays a short tune. There are a few different tunes that Madotsuki randomly plays.
'''Appearance:''' Madotsuki holds a flute to her lips.


'''Location:''' The Music Room in the [[Mall]] - Pick it up off the floor,but you must head left into the flute room first.
'''Passive Effect:''' None.


'''Practical Uses:''' None
'''Action:''' (1) Madotsuki plays a short, four-note tune. There are five different tunes that are chosen randomly.


== Neon ==
'''Location:''' The music room in the [[Yume Nikki:Mall#Mall Rooms|Mall]] - Pick it up off the floor.
 
'''Practical Uses:''' None.
 
===Neon<span id="Neon Light"></span>===
[[File:Neon.png|right]]
[[File:Neon.png|right]]
''Become a neon light''
[[File:Neon_Egg.gif|right]]
 
'''{{Tooltip|Neon Light|Name in the mobile version.}}(ネオン)'''
 
''Become a neon light / Glow like a neon sign. / Transform into a neon light.''


'''Appearance:''' Madotsuki glows like a neon sign.
'''Appearance:''' Madotsuki glows in neon colors.


'''Passive Effect:''' None
'''Passive Effect:''' None.


'''Action:''' (1) Causes the screen to change colour as if bathed in a neon light. The effect wears off when the effect is unequipped.
'''Action:''' (1) Tints the screen with a bright color. The tint is removed when the effect is unequipped or changed. Repeating the action cycles the color between red, blue, yellow, and violet.


'''Location:''' [[Neon World]] - Interact with the [[List of characters#Neon Parrot|Neon Parrot]] (From the Door, go down three rooms and over to the right three rooms)
'''Location:''' [[Yume Nikki:Neon World|Neon World]] - Interact with the [[Yume Nikki:Neon Parrot|Neon Parrot]].


'''Practical Uses:''' None
'''Practical Uses:''' None.


== Nopperabou ==
===Nopperabou<span id="Faceless Ghost"></span><span id="Faceless"></span>===
[[File:Nopperabo.png|right]]
[[File:Nopperabo.png|right]]
''Become the faceless ghost''
[[File:Nopperabou_Egg.png|right]]


'''Appearance:''' Madotsuki becomes a Nopperabou (A faceless ghost)
'''{{Tooltip|Faceless Ghost|Name in the English Steam version.}} / {{Tooltip|Faceless|Name in the mobile version.}}(のっぺらぼう)'''


'''Passive Effect:''' None
''Become the faceless ghost / Materialize as a faceless ghost. / Transform into a faceless.''
 
'''Appearance:''' Madotsuki becomes a Noppera-bō.
 
'''Passive Effect:''' None.


'''Action:''' (1) Madotsuki's head jumps off her shoulders and spins around.
'''Action:''' (1) Madotsuki's head jumps off her shoulders and spins around.


'''Location:''' Sewage Processing Plant B in [[List_of_locations#Sewers|the Sewers]] - Interact with the faceless ghost
'''Location:''' The dead-end of the [[Yume Nikki:Sewers|Sewers]] - Interact with the [[Yume Nikki:Nopperabou Ghost|Nopperabou Ghost]].


'''Practical Uses:''' None
'''Practical Uses:''' None.


== Severed Head ==
===Severed Head<span id="Chopped Head"></span>===
[[File:Severed_Head.png|right]]
[[File:Severed_Head.png|right]]
''Become a severed head''
[[File:Severed_Head_Egg.png|right]]
 
'''{{Tooltip|Chopped Head|Name in the mobile version.}}(なまくび)'''
 
''Become a severed head / Be reduced to a severed head. / Transform into a chopped head.''


'''Appearance:''' Madotsuki becomes a severed head
'''Appearance:''' Madotsuki becomes a severed head.


'''Passive Effect:''' Madotsuki's height and speed decrease
'''Passive Effect:''' Madotsuki's height and speed decrease. She is unable to pinch herself awake, enter the restrooms in Block World and Graffiti World, and cannot enter [[Yume Nikki:Beds|beds]] when it is equipped due to her lack of arms.


'''Action:''' None
'''Action:''' None.


'''Location:''' The [[List of locations#Guillotine Room|Guillotine Room]] near the [[List of locations#Bed Room|Bed Room]] - Interact with the [[List of characters#Guillotine|Guillotine]].
'''Location:''' [[Yume Nikki:Guillotine World|Guillotine World]] - Interact with the [[Yume Nikki:Guillotine|Guillotine]].


'''Practical Uses:''' Allows Madotsuki to see [[List of characters#Closet Madotsuki|Closet Madotsuki]], as her normal height blocks the view.
'''Practical Uses:'''
*Viewing Closet Madotsuki in the Checkered Tile Path, as Madotsuki's normal height blocks the view.
*Going under the large pipes in Underground World.


== Towel ==
===Towel===
[[File:Towel.png|right]]
[[File:Towel.png|right]]
''Wrap up in a towel''
[[File:Towel_Egg.png|right]]
 
'''(タオル)'''
 
''Wrap up in a towel / Wrap yourself in a towel. / Equip a towel.''


'''Appearance:''' Madotsuki has a towel wrapped around her.
'''Appearance:''' Madotsuki has a towel wrapped around her.


'''Passive Effect:''' None
'''Passive Effect:''' None.


'''Action:''' (1) Madotsuki sneezes.
'''Action:''' (1) Madotsuki sneezes.


'''Location:''' [[Wilderness|The Infinite Wilderness]] - Interact with [[List of characters#Towel|the Towel]] (Make your way through the Infinite Wilderness as if you were going to the [[List_of_locations#Sky_Garden|Sky Garden]], but when you get to the larger area do not go through the oval patch of grass. Go to Onsen-san's house and go left or right.)
'''Location:''' [[Yume Nikki:Wilderness#Infinite Wilderness|Infinite Wilderness]] - Interact with [[Yume Nikki:Ittan-momen|Ittan-momen]].


'''Practical Uses:''' None
'''Practical Uses:''' None.


== Cat ==
===Cat===
[[File:Cat.png|right]]
[[File:Cat.png|right]]
[[File:CatMado.png|thumb|Cat Madotsuki meowing]]
[[File:Cat_Egg.png|right]]
''Grow ears and a tail''
[[File:CatMado.png|thumb|Cat Madotsuki meowing, revealing her red eyes.]]
 
'''(ねこ)'''
 
''Grow ears and a tail / Sprout cat-ears and a tail. / Equip a cat ear and tail.''


'''Appearance:''' Madotsuki grows cat ears and a tail.
'''Appearance:''' Madotsuki grows cat ears and a tail.


'''Passive Effect:''' None
'''Passive Effect:''' None.


'''Action:''' (1) Madotsuki faces the camera and meows like a cat, with large red eyes. She paws the air with her right hand and holds a [http://en.wikipedia.org/wiki/Koban_(coin) koban coin] in her left, resembling the [http://en.wikipedia.org/wiki/Maneki_Neko Maneki Neko].
'''Action:''' (1) Madotsuki faces downwards and meows like a cat, with large red eyes. She paws the air with her right hand and holds a koban coin in her left, resembling a Maneki-neko.


'''Location:''' [[Shield-folk World]] - Interact with [[List of characters#cat|Unnamed (Cat Effect)]] (near the mass of Shield-Folk)
'''Location:''' [[Yume Nikki:Shield-Folk World|Shield-Folk World]] - Interact with [[Yume Nikki:Nekoin|Nekoin]].


'''Practical Uses:'''
'''Practical Uses:'''
*Drawing NPCs toward you - Can be used to move NPCs that block your way or find NPCs hidden in the area
*Attract NPCs - Can be used to move NPCs that block your way or find NPCs hidden in the area.
*Provoking a reaction from certain NPCs and the environment
*Provoking a reaction from certain NPCs and the environment.
*Summoning UFOs in certain locations
*[[Yume Nikki:Events#UFOs on Mars|Summons UFOs]] at the top of [[Yume Nikki:Mars|Mars]].


== Lamp ==
'''Notes:''' In most cases, this allows you to move characters out of your way without using the Knife effect to kill them. This may be in tune with the Maneki-neko being loosely associated with [[wikipedia:Guanyin|Guanyin]], who is revered in Japan as Kannon (観音), the goddess of mercy and compassion. Maneki-neko with their left paw raised are also said to bring in people or customers, thus why it attracts certain NPCs.
[[File:YN Mars UFOs.png|thumb|center|250px|The Cat effect attracting UFOs to Mars.]]
 
===Lamp===
[[File:Lamp.png|right]]
[[File:Lamp.png|right]]
''Become a lamp''
[[File:Lamp_Egg.gif|right]]
 
'''(でんとう)'''
 
''Become a lamp / Change into a lamp. / Transform into a lamp.''


'''Appearance:''' Madotsuki's head transforms into a lamp.
'''Appearance:''' Madotsuki's head transforms into a lamp.


'''Passive Effect:''' When the light is on, dark areas light up, improving visibility.
'''Passive Effect:''' When the light is on, dark areas are fully lit, improving visibility.


'''Action:''' (1) Switches the light on and off.
'''Action:''' (1) Switches the light on and off.


'''Location:''' The [[List_of_locations#Lamp_World|Lamp World]] - Interact with [[List of characters#Unnamed (Lamp Effect)|Unnamed (Lamp Effect)]] (If you can get to the small building in it, go around so that you see the eye, then head up.)
'''Location:''' [[Yume Nikki:Lamp World|Lamp World]] - Interact with the [[Yume Nikki:Walking Lamp|Walking Lamp]].


'''Practical Uses:'''
'''Practical Uses:'''
*Can be used to navigate the [[Dark World]] and the [[Dense Woods|Dark Woods]] more easily.
*Can be used to navigate [[Yume Nikki:Dark World|Dark World]], the [[Yume Nikki:Dark Woods|Dark Woods]], and the [[Yume Nikki:FC Dungeon|FC Dungeon]] more easily, though it is not required to get through them.
*Can be used to light up the inside of the hot spring house in The [[Wilderness]]
*Can be used to light up the inside of the hot spring house in the [[Yume Nikki:Wilderness|Wilderness]].
*In [[Yume Nikki:Old Versions|previous versions]], it was needed to light up the deeper part of [[Yume Nikki:FC World B|FC World B]] where [[Yume Nikki:Buyo Buyo|Buyo Buyo]] was found.


== Bicycle ==
[[File:YN Dark World.png|thumb|center|250px|Madotsuki lighting up Dark World with the Lamp effect.]]
 
===Bicycle===
[[File:Bicycle.png|right]]
[[File:Bicycle.png|right]]
[[File:Madotsuki_Bicycle.png|right|frame]]
[[File:Bicycle_Egg.png|right]]
''Ride a bicycle''
[[File:Madotsuki_Bicycle.png|right]]


'''Appearance:''' Madotsuki rides a bicycle
'''(じてんしゃ)'''


'''Passive Effect:''' Madotsuki's speed is doubled
''Ride a bicycle / Mount a bicycle. / Ride a bicycle.''


'''Action:''' (1) Madotsuki rings the bell
'''Appearance:''' Madotsuki rides a bicycle.


'''Location:''' The [[Graffiti World]] - Pick it up off the floor (just keep walking to the right. There will be a box pattern around a bike)
'''Passive Effect:''' Madotsuki's speed is doubled. She is unable to enter the restrooms in Block World and Graffiti World and cannot enter [[Yume Nikki:Beds|beds]] when it is equipped.


'''Practical Uses:''' Can be used to travel through the dream world much faster than by walking, catch fast moving characters and escape from Lunatic [[Toriningen]]
'''Action:''' (1) Madotsuki rings the bicycle's bell.


== Long Hair ==
'''Location:''' [[Yume Nikki:Graffiti World|Graffiti World]] - Pick it up off the floor.
 
'''Practical Uses:''' Can be used to travel through the dream world much faster than by walking, catch fast-moving characters like the Dwarf and Nekoin, and escape from lunatic Toriningen.
 
===Long Hair===
[[File:Long_hair.png|right]]
[[File:Long_hair.png|right]]
''Grow long hair''
[[File:Long_Hair_Egg.png|right]]
 
'''(ロングヘアー)'''
 
''Grow long hair / Grow long hair. / Get long hair.''


'''Appearance:''' Madotsuki's hair becomes longer
'''Appearance:''' Madotsuki's hair becomes longer.


'''Passive Effect:''' None
'''Passive Effect:''' None.


'''Action:''' (1) Madotsuki sits down (Same as default).
'''Action:''' (1) Madotsuki sits down (same as default).


'''Location:''' [[Mural World]] - Interact with the Brown Hair [[Mouth Monster]].
'''Location:''' [[Yume Nikki:Mural World|Mural World]] - Interact with the long-haired [[Yume Nikki:Mouth Monster|Mouth Monster]].


'''Practical Uses:''' None
'''Practical Uses:''' None.


== Poop Hair ==
===Poop Hair<span id="Poo Hair"></span>===
[[File:Poop_hair.png|right]]
[[File:Poop_hair.png|right]]
''I certainly hope it's hair''
[[File:Poop_hair_Egg.png|right]]


'''Appearance:''' Madotsuki's hairstyle is done up to resemble a poop. At least; we hope so.
'''{{Tooltip|Poo Hair|Name in the English Steam version.}}(ウンコヘアー)'''


'''Passive Effect:''' None
''I certainly hope it's hair / Grow poo hair. / Get poop hair.''


'''Action:''' (1) Madotsuki drops a fly which buzzes around in place
'''Appearance:''' Madotsuki's hairstyle is done up to resemble poop. At least we hope so.


'''Location:''' [[Underground World|The Storage Room, Underground World]] - Interact with Poop Hair [[Mouth Monster]].
'''Passive Effect:''' None.


'''Practical Uses:''' Can be used to mark locations for a short time.
'''Action:''' (1) Madotsuki drops a fly which buzzes around in place.


== Blonde Hair ==
'''Location:''' [[Yume Nikki:Underground World|Underground World Storage Room]] - Interact with the poop-haired [[Yume Nikki:Mouth Monster|Mouth Monster]].
 
'''Practical Uses:''' Can be used to mark locations for a short time, though only in the same room/area.
 
===Blonde Hair<span id="Blonde"></span>===
[[File:Blonde_hair.png|right]]
[[File:Blonde_hair.png|right]]
''Grow long, golden hair''
[[File:Blonde_hair_Egg.png|right]]
 
'''{{Tooltip|Blonde|Name in the English Steam version.}}(ブロンド)'''
 
''Grow long, golden hair / Glow long blonde hair. / Get blonde hair.''


'''Appearance:''' Madotsuki's hair becomes long and blonde.
'''Appearance:''' Madotsuki's hair becomes long and blonde.


'''Passive Effect:''' None
'''Passive Effect:''' None.


'''Action:''' (1) Madotsuki sits down (Same as default).
'''Action:''' (1) Madotsuki sits down (same as default).


'''Location:''' [[Mural World]] - Interact with the Blonde Hair [[Mouth Monster]]
'''Location:''' [[Yume Nikki:Mural World|Mural World]] - Interact with the blond-haired [[Yume Nikki:Mouth Monster|Mouth Monster]].


'''Practical Uses:''' None
'''Practical Uses:''' None.


== Triangle Kerchief ==
===Triangle Kerchief<span id="Spirit Headband"></span><span id="Ghost Hair Band"></span>===
[[File:Triangle_Kerchief.png|right]]
[[File:Triangle_Kerchief.png|right]]
''Wear triangle kerchief''
[[File:Triangle_Kerchief_Egg.png|right]]


'''Appearance:''' Madotsuki wears a triange kerchief as a tiara, symbolising death in Japanese culture.
'''{{Tooltip|Spirit Headband|Name in the English Steam version.}} / {{Tooltip|Ghost Hair Band|Name in the mobile version.}}(△ずきん)'''


'''Passive Effect:''' In the 'ghost form', Madotsuki is invisible to NPCs.
''Wear triangle kerchief / Put on a Spirit Headband. / Equip a ghost hair band.''


'''Action:''' (1) Madotsuki transforms into an 'invisible' ghost, and becomes translucent.
'''Appearance:''' Madotsuki wears a triangle kerchief as a tiara, symbolizing death in Japanese culture.


'''Location:''' The [[Ghost World]] - Catch and interact with the [[List of characters#Fleeing ghost|Fleeing Ghost]]
'''Passive Effect:''' In the 'ghost form', Madotsuki is invisible to NPCs.
(In [[List_of_locations#Wilderness_A|Wilderness A]], find a small oval-shaped cluster of vines with a clear vertical path through the center. Walk north through this path to find a break in a fence. Continue this way, going straightforward through a few thin, tall structures and a section filled with boxes to reach a tall pyramid. At the top, continue through the [[List_of_locations#Sky_Garden|Sky Garden]] to find a brick building atop a hill. Enter and interact with one of the flowers only once before exiting. The ghost that holds the effect is in this new area, but it moves quickly and likes to hide behind walls. The Cat effect may help to catch it.)


'''Practical Uses:''' When in 'ghost form', lunatic [[Toriningen]] can be avoided as Madotsuki is invisible to them, but they will trap her if she interacts with them intentionally.
'''Action:''' (1) Madotsuki transforms into an 'invisible' ghost and becomes translucent.


== Witch ==
'''Location:''' [[Yume Nikki:Ghost World|Ghost World]] - Catch and interact with [[Yume Nikki:Fleebie|Fleebie]].
[[File:Witch.png|right]]
[[File:Witch_Broom.png|right]]
''Become a witch''


'''Appearance:''' Madotsuki becomes dressed like a witch, including the pointed hat and robe.
'''Practical Uses:''' When in 'ghost form', lunatic Toriningen can be avoided as Madotsuki is invisible to them, but they will trap her if she interacts with them intentionally.


'''Passive Effect:''' None
[[File:YN Triangle Kerchief Usage.png|thumb|center|250px|Madotsuki safely close to two Toriningen thanks to the Triangle Kerchief effect.]]


'''Action:''' (1) Madotsuki mounts a broom and hovers a short distance from the ground.
===Witch===
[[File:WitchYN.png|right]]
[[File:Witch_Egg.png|right]]
[[File:Witch_Broom.png|right]]


'''Location:''' [[Dense Woods|The Witch's island, Dense Woods]] - Interact with [[List of characters#Unnamed (Witch effect)|Unnamed (witch effect)]]
'''(まじょ)'''


'''Practical Uses:''' Can be used to fly of The Rooftop of the [[Mall]]. Pressing Z returns to the rooftop, Pressing 1 dismounts the broom in midair, causing Madotsuki to fall out of bed and wake up.
''Become a witch / Become a witch incarnate. / Transform into a witch.''


== Demon ==
'''Appearance:''' Madotsuki becomes dressed like a witch, with a pointed hat and robe.
[[File:Demon.png|right]]
''Become a demon''


'''Appearance:''' Madotsuki transforms into a Demon. Her skin turns red, horns appear on her head and she wears some sort of animal skin.  
'''Passive Effect:''' None.


'''Passive Effect:''' None
'''Action:''' (1) Madotsuki mounts a broom and floats a short distance from the ground.


'''Action:''' (1) When it's raining, a clap of thunder and lightning can be produced. In snow, only the thunder is heard.
'''Location:''' [[Yume Nikki:Witch's Island|Witch's Island]] - Interact with [[Yume Nikki:Kimajo|Kimajo]].


'''Location:''' In the FC Demon Room of the [[FC world|FC Basement]] - Interact with the [[List of characters#FC Demon|FC Demon]]
'''Practical Uses:''' Can be used to fly off the [[Yume Nikki:Mall#Mall Rooftop|Mall Rooftop]]. Pressing Z returns to the rooftop, and pressing 1 dismounts the broom in midair, causing Madotsuki to fall out of bed and wake up.


'''Practical Uses:''' Can be used to summon the Demon in the Pyramids area of the [[FC world|FC Overworld B]]. The [[List of characters#FC Demon|Demon]] warps you to the Demon Room in the [[FC world|FC Basement]].
===Demon<span id="Oni"></span>===
 
[[File:Demon.png|right]]
== Buyo buyo ==
[[File:Demon_Egg.png|right]]
[[File:Madotsuki.png|right]]
''Body becomes soft and squishy''


'''Appearance:''' When Madotsuki walks, she wobbles around like jelly.
'''{{Tooltip|Oni|Name in the English Steam version.}}(おに)'''


'''Passive Effect:''' None
''Become a demon / Reconstitute as an oni. / Transform into a demon.''


'''Action:''' (1) Madotsuki wobbles up and down
'''Appearance:''' Madotsuki transforms into a Demon. Her skin turns red, horns appear on her head and she wears some sort of animal skin.


'''Location:''' [[FC world|FC World Sea Cliffs]] - Interact with [[List of characters#Unnamed (Buyo buyo Effect)|Unnamed (Buyo buyo Effect)]] (Go to the Docks from [[Hell]], then go over to the Shadow Man. He'll teleport you to the Barracks Settlement. Go around and talk to different shadow men until one takes you to an FC world. There, go down a screen until you get to an area with six volcanoes and a small lake. Go to the stairs, go around the walls, past the second lizardman, then from that area go to the bottom right until you see a blue creature.)
'''Passive Effect:''' None.


'''Practical Uses:''' None
'''Action:''' (1) When it's raining, a clap of thunder and lightning can be produced.


== Stoplight ==
'''Location:''' [[Yume Nikki:FC House|FC Basement]] - Interact with the [[Yume Nikki:FC Demon|FC Demon]].
[[File:Stoplight.png|right]]
''Become a stoplight''


'''Appearance:''' Madotsuki transforms into a stoplight
'''Practical Uses:''' Can be used to summon the FC Demon in the Pyramids area of [[Yume Nikki:FC World B|FC World B]] any time the area is entered with the effect equipped, giving a warp to the FC Demon's room in FC House. Without the effect, it is normally a 1 in 8 chance.


'''Passive Effect:''' Madotsuki cannot pinch herself awake due to her lack of arms.
===Buyo Buyo<span id="Squish-Squish"></span><span id="Jelly Body"></span>===
[[File:Madotsuki.png|right]]
[[File:Buyo_buyo_Egg.png|right]]


'''Action:''' (1) Switches stoplight between green (go) and red (stop)
'''{{Tooltip|Squish-Squish|Name in the English Steam version.}} / {{Tooltip|Jelly Body|Name in the mobile version.}}(ぶよぶよ)'''


'''Location:''' [[Dense Woods|Dense Woods B (The Road)]] - Interact with [[List of characters#Shitai-san|Shitai-san]]
''Body becomes soft and squishy / Change into a squishy blob. / Get a jelly body.''


'''Practical Uses:'''
'''Appearance:''' When Madotsuki walks, she wobbles around like jelly.
When the light is red, it affects NPCs in a couple of ways:
#All NPCs will freeze in place, which is useful for avoiding [[Toriningen]] or catching fast-moving characters.
#Some characters change appearance, including:
*[[Monoko]]: Transforms into her five-armed state. Also allows access to her full-screen event when interacted with.
*[[Mafurako]]: Becomes fully visible.
*[[Steve 'Leif' Kareha]]: Closes his eyes
*The round creatures in the Number World: Transform slightly.
*[[The Thing with the Quivering Jaw]]: Its jaw stops quivering


== Instructions ==
'''Passive Effect:''' None.
[[File:Instructions.gif|frame|right]]
''See the instructions again''


'''Appearance:''' None
'''Action:''' (1) Madotsuki wobbles up and down.


'''Passive Effect:''' None
'''Location:''' [[Yume Nikki:FC World B|FC World B]] - Interact with [[Yume Nikki:Buyo Buyo|Buyo Buyo]].


'''Action:''' (Equip) A basic tutorial on how to play the game
'''Practical Uses:''' None.


'''Location:''' Madotsuki starts with this effect
===Stoplight<span id="Traffic Light"></span>===
[[File:Stoplight.png|right]]
[[File:Stoplight_Egg.png|right]]
[[File:Effect Stoplight Red.PNG|right]]


'''Practical Uses:''' Learning how the game works
'''{{Tooltip|Traffic Light|Name in the English Steam and mobile versions.}}(しんごう)'''


*This is the only effect that can be used in the real world and cannot be dropped as an egg in [[the Nexus]].
''Become a stoplight / Change into a traffic light. / Transform into a traffic light.''


= Pseudo-effects =
'''Appearance:''' Madotsuki transforms into a stoplight.
These are actions that work like effects, but are not added to Madotsuki's inventory and are not required to finish the game.


== Chair ==
'''Passive Effect:''' Madotsuki cannot pinch herself awake due to her lack of arms.
[[File:Chair.png|right]]
The chair in [[Madotsuki's_Room|Madotsuki's dream room]] can be ridden when Madotsuki sits on it then pulls the chair away.
Instead of writing in her diary, sitting at the desk and pressing ''Z'' (facing the desk) will let Madotsuki scoot the chair around her bedroom. She can ride the chair to almost anywhere in the dream world (albeit very slowly), but will not be able to get off it until she returns it to her desk.
== Crick in the Neck ==
[[File:Looking_Left.png|right]]
[[File:Look_left_sit.png|right]]
The only involuntary effect, Madotsuki has a random chance of waking up with a crick in her neck. She will constantly be looking left. As she does with no effect, pressing 1 will cause her to sit down. She is unable to write in her diary or play NASU. Going back to sleep and waking up again should solve the problem.


Madotsuki will not dream that she has a crick in her neck, and yet there is a matching FC world spirite.
'''Action:''' (1) Switches stoplight between green and red.


== Speed Glitch ==
'''Location:''' [[Yume Nikki:Road|Dense Woods B (Road)]] - Interact with [[Yume Nikki:Shitai-san|Shitai-san]].
A useful glitch that quadruples Madotsuki's walking speed. Although Madotsuki will appear as her normal sprite (except in the [[FC world]]), the glitch will be active. The bicycle is the most commonly used effect for this, as it allows for quadruple speed. The Speed Glitch is an oversight caused by allowing the player to use the menu in the chair.


'''Instructions'''
'''Practical Uses:'''
#Sit in the chair in Madotsuki's dream room
When the light is red, all NPCs will freeze in place, which is useful for avoiding Toriningen or catching fast-moving characters. The appearances of some characters also change, for example:
#Open the menu with ''X''
*[[Yume Nikki:Monoko|Monoko]]: Transforms into her five-armed state. Interacting with her triggers [[Yume Nikki:Events#Monoko|her full-screen event]].
#Equip the Bicycle
*[[Yume Nikki:Mafurako|Mafurako]]: Becomes fully visible.
#Press ''down'', then ''Z'' to exit the chair.
*[[Yume Nikki:Steve 'Leif' Kareha|Steve 'Leif' Kareha]]: Closes his eyes.
*[[Yume Nikki:Wheelies|Wheelies]]: Transforms in appearance.
*[[Yume Nikki:Thing with the Quivering Jaw|Thing with the Quivering Jaw]]: Its jaw stops quivering.
*[[Yume Nikki:KyuuKyuu-kun|KyuuKyuu-kun]]: It stops rubbing the stairway baluster.


The glitch will now be active. The effect will disappear if you equip any effects. Madotsuki will sit if ''1'' is pressed, but the other action will happen as well (e.g. with the bike, the bell noise will play).
[[File:Monoko Traffic Light.png|thumb|center|250px|The Stoplight effect transforming Monoko.]]


=== Hyperspeed Glitch ===
==Video Guides==
[[Image:Ynhyper.jpg|thumb|right|100px|Instructions]]
This is a playlist of effect guides created by [https://youtube.com/@ToraMaikeru ''BuyoBuyo''] on YouTube.  
A related glitch that is slightly more complicated, but allows the effect to stack allowing for movement eight times faster than the walking speed, which is equal to that of the [[List of locations#Candle World|Candle World]] [[Toriningen]].
{{#ev:youtubevideolist|id=8p4EY8LVcpg|alignment=center|playlist=8p4EY8LVcpg,JxyHKIkoxuk,Ecjdsy_O0H0,Uz7BD9m6UBA,4IDS0spvOaE,7PSu-WxJR0o,vTNsWPYPPiE,o7FgW17vnM0,6lHtmUY3eG0,cel7fwQRAXk,vyV326KA3Ck,QErsBWB2-e4,SFcuEQyO1O8,H-hgi9fFz9o,_OenCdXoKOk,juT3k8nVYEY,59MobMWeWAs,dw4j06DHojc,ipmjhqptDxw,HAF_pXhftW8,e9CYsxBcSoM,JZvgjrKgGns,Cmu8AKCkjGA,jINv1fKmLdM}}


'''Instructions'''
==Pseudo-effects==
#Sit in the chair in Madotsuki's dream room
These are actions that work like effects, but are not counted as a collectible effect and are not required to finish the game.
#Open the menu with ''X''
#Equip the Bicycle
#Press ''Z'' to ride the chair
#Ride the chair into the Nexus
#Press ''5'' to drop the bicycle effect, then pick it back up
#Open the menu (You should hear the 'unable' sound effect), and equip the bicycle
#Return to the bedroom. There will be no chair at the desk.
#Go to the desk and sit down on the invisible chair, then press ''down'' and ''Z'' to get up.


== Noclip Glitch ==
===Instructions<span id="Tutorial"></span>===
Disables most collision, allowing Madotsuki to walk through objects and walls.
'''{{Tooltip|Tutorial|Name in the English Steam and mobile versions.}}(ゲームのせつめい)'''


'''Instructions'''
''See the instructions again / Review the game's tutorial. / Open the tutorial.''
#Sit in the chair in Madotsuki's dream room
#Equip the knife effect
#Press ''down'', then ''Z'' to get off the chair
#<u>Quickly</u> (while Madotsuki is moving) press ''1'' to switch hands with the knife
#Go to the Nexus
#Press 5 to drop the knife, then pick it back up
#Equip any effect, the unequip it


This will allow Madotsuki to walk through anything with any effect equipped, however some loading zones don't trigger.
The instructions appear as a menu item like the 24 effects. Using it displays a basic tutorial on how to play the game. Madotsuki starts with this effect and can use it in any area, including the real world.


<div class="center">
[[File:Instructions.gif]]
[[File:Instructions2.gif]]
</div>


= Unused effects =
===Chair===
These are effects that exist in the sprite sheets and have limited handling in the game's coding, but are not accessible in the game. These may be added in a future version of Yume Nikki.
[[File:Madotsuki chair faceset.png|right]]


== Blindfold ==
The chair in [[Yume Nikki:Madotsuki's Room#Dream Representation|Madotsuki's dream room]] can be ridden when Madotsuki sits on it. Instead of writing in her diary, sitting at the desk and pressing ''Z'' (facing the desk) will let Madotsuki scoot the chair around her bedroom. She can ride the chair almost anywhere in the dream world (albeit very slowly), but will not be able to get off it until she returns it to her desk. Some areas are also inaccessible with the chair:
[[File:Blindfold.png|right]]
*[[Yume Nikki:FC Worlds|FC Worlds]]. [[Yume Nikki:Pirori|Pirori]] in the [[Yume Nikki:Barracks Settlement|Barracks Settlement]] will not teleport you, and the [[Yume Nikki:Static Maze|Static Maze]] and [[Yume Nikki:Static Tunnel|Static Tunnel]] warps both do not function. Due to this, the main area of [[Yume Nikki:White Desert B|White Desert B]] is also inaccessible.
'''Appearance:''' Madotsuki wears a black blindfold
*[[Yume Nikki:Sky Garden|Sky Garden]], as she can not go up the Stairway to the Sky. This also makes [[Yume Nikki:Ghost World|Ghost World]] inaccessible.
*[[Yume Nikki:Windmill World|Windmill World]] and the [[Yume Nikki:Docks A|Docks A]], as the slope into [[Yume Nikki:Big Red|Big Red]] is not traversable.
*[[Yume Nikki:Staircase of Hands|Staircase of Hands]], as she can not sleep in any of the dream world's beds. Thus, she is also unable to reach [[Yume Nikki:Underground World|Underground World]], the [[Yume Nikki:Spaceship|Spaceship]], and [[Yume Nikki:Mars|Mars]].
*[[Yume Nikki:Witch's Island|Witch's Island]], as she can not sit on the [[Yume Nikki:Traincar|Traincar]] seat to travel there.
*[[Yume Nikki:Number World#Stairway|Number World's stairway]], as she can not go up the stairs there. The path can still be entered by using the Knife effect on the [[Yume Nikki:Zippertile|Zippertile]] prior to getting to it with the chair.
**[[Yume Nikki:Mini Hell|Mini Hell]] can also still be entered with the chair despite requiring the Knife effect if the Toriningen is stabbed prior to using the chair. However, this may be difficult, as the now-hostile Toriningen may be tricky to outrun with the chair's slow speed.
*The [[Yume Nikki:White Desert A|White Desert A]] areas containing [[Yume Nikki:Monoe|Monoe]], the [[Yume Nikki:Eye People|Eye People]], or the [[Yume Nikki:Severed Heads|Severed Heads]], as using the Knife effect is required to get to all of them.


'''Speculation:''' Some kind of effect that affects what Madotsuki can (or can't) see.
Effects can be equipped when sitting on the chair while at the desk, a main cause of [[Yume Nikki:Glitches|glitches]]. Equipping an effect while in the chair and then riding it will cause the effect to stack with the chair. This results in the passive effect functioning and any effect action (besides sitting down) working as normal. The aforementioned areas remain inaccessible as Madotsuki is technically still in the chair, with the exception of Docks A, which can be entered from the Sewers if the Midget effect is equipped while in the chair.


== Grayscale ==
===Crick in the Neck===
[[File:Greyscale.png|right]]
[[File:Looking_Left.png|right]]
'''Appearance:''' Madotsuki appears in monochrome.


'''Speculation:''' It's possible this was intended to be the appearance Madotsuki takes on in the [[White Desert]], as there is no counterpart [[FC world]] sprite. If this is the case, then it's likely that it was dropped since it could cause confusion as to whether the White Desert was ''really'' white, or whether the effect was a result of a problem with the player's ''perception'' of it (as is the case with old monochrome photos).<br />
The only involuntary effect. Madotsuki has a 1 in 64 chance of waking up with a crick in her neck, constantly looking left. She can still sit down on the floor or the chair, but she is unable to write in her diary or play NASU. Going back to sleep and waking up again should solve the problem. If all 24 effect eggs have been dropped in the Nexus to trigger the game's ending, the neck crick will not occur.
Allowing Madotsuki to retain her hues makes it clear that the player's vision is normal and that the ''world'' is white.


Another idea is that this is an effect that you get from the White Desert that makes Madotsuki (And possibly the room you are in) monochrome.
[[File:Look_left_sit.png|right]]


Do note that this spirite is in fact used for [[Madotsuki's Ghost]].
Although Madotsuki will not dream that she has a crick in her neck, there is a matching FC World sprite that is unused, suggesting that it could have been an actual effect at some point.


== Will o' the Whisp ==
==Trivia==
[[File:Will_o'_the_Whisp.png|right]]
*The Frog effect is the only effect that can be found in two separate locations: Forest World and Dense Woods B.
'''Appearance:''' Madotsuki transforms into a blue flame-like spirit wearing the Triangle Kerchief
**The Severed Head effect can technically also be obtained in two different areas, albeit they are variants of one world, them being the normal and big variants of Guillotine World.
*There are some [[Yume Nikki:Unused Content#Unused Effects|unused effects]] that remain in the files of the game, despite never being implemented in any version.
*The Midget effect has an unused graphic for eight midgets. This graphic also has an FC World counterpart.
*All the effect names in Japanese are written in [[wikipedia:Kana|kana]], even if the words are usually or only written in [[wikipedia:Kanji|kanji]]. Such effects are written in kanji within the game's database.
*When the English Steam release of ''Yume Nikki'' first came out, the translation used different names for the Fat, Flute, Severed Head, and Demon effects as well as the Instructions, respectively dubbing them "Get Fat", "Whistle", "Talking Head", "Devil", and "Game Info". This was changed 12 days after the original release; the update additionally touched up the descriptions for many effects (including those that were not renamed), ranging from minor grammatical fixes to changing the tone of the text.
**Some of these incorrect names still appear in the [[Yume Nikki:FC Worlds|FC World]] menu and when picking up dropped effect eggs in the Nexus. Curiously, the incomplete version of the FC World menu only contains the incorrect names for the Fat effect and the Instructions. Additionally, the FC World menu misspells Midget as "Miget" when all 24 effects have been collected.
*In 0.10 and 0.10a, the Witch effect has a bug where, if the player floats with the broom in the Pink Sea, the [[Yume Nikki:Number World#Bed Room|Number World Bed Room]], or the second [[Yume Nikki:Neon Tile Path|Neon Tile Path]] area, the player's footsteps can still be heard while moving around.
**This is due to the fact that every map contains two copies of the same tileset: one for the regular footstep sound effect and one for the broom. 0.09 included the full code for switching between the two tilesets in every map. This was simplified in 0.10, but the three aforementioned maps were not updated.
**The maps still contain leftover data for 0.09's method, and attempting to trigger them with cheats instead corrupts the graphics to the tileset indices changing between builds: the second Neon Tile Path area replaces the pyramids with [[Yume Nikki:Henkei Shita|Henkei Shita]] heads from Footprint Path A (with the full tileset changing to that of [[Yume Nikki:Snow World|Snow World]] when sitting down), the Number World Bed Room's tiles are replaced with those of [[Yume Nikki:Forest World|Forest World]] (except when sitting), and the Pink Sea turns completely invisible due to the game attempting to call blank divider tiles, leaving only a black void.
*In 0.10<!--Someone please check other versions-->, the Triangle Kerchief effect's cheek pinch animation always uses the graphic for the invisible state, even if you wake up while visible.
**The animation for waking up in this state also lacks the sprite transparency that the effect's invisible state typically has.
*In versions before 0.10, some effects had different 1-key actions:
**The Knife effect originally had Madotsuki stab the air instead of switching which hand the knife was in. Despite this action sharing its animation with the effect's actual function, it does not affect NPCs as if they have been stabbed.
**The Triangle Kerchief originally made Madotsuki progressively more transparent when the 1 key was pressed, and less transparent when the 3 key was pressed. Toriningen could also still see and trap Madotsuki if she became fully transparent with the effect.
**In 0.04, the Umbrella and Blonde Hair effects lacked 1-key actions altogether, though they gained their respective actions in 0.06.


'''Speculation:''' A possible alternate form considered for the 'ghost form' of the Triangle kerchief, as spirits are commonly depicted as blue wisps in Japanese folklore.
[[Category:Yume Nikki Guides]]
[[Category:Content]]
[[Category:Game Collectables]]

Latest revision as of 18:40, 9 December 2024

Effect eggs in the Nexus.
The effects as they appear in the manga.

The main objective in Yume Nikki is to collect the 24 effects found throughout the dream world. Some effects grant unique abilities that can be used to access certain events or locations; the rest are mostly cosmetic.

Effects are found by interacting with objects or certain characters. All effect-givers are unique from the other characters in the game. They can be collected in any order, except for the Poop Hair effect, which requires either the Yuki-onna or Umbrella effect first. It is also recommended to get the Lamp effect early, as a couple other effects require passing through dark areas.

Effects can be dropped in the Nexus by pressing 5. They appear as eggs and are removed from the menu. Once all 24 effects are dropped, the player can access the ending.

The name of each effect may be different between translations. The names used by the Uboachan fan translation are preferred due to its historic use by most (English-speaking) players. The names of the English Steam translation and mobile release translation are stated below each header, as well as the original Japanese. The effect descriptions are written with Uboachan first, Steam second, and mobile last (only if it differs from Steam).

Effects

Frog

Madotsuki frog faceset.png
Frog Egg.png

(かえる)

Become a frog / Transform into a frog.

Appearance: Madotsuki transforms into a humanoid frog, walking with a hunched-over back.

Passive Effect: Madotsuki walks at normal speed through water.

Action: (1) Madotsuki hops in place like a frog.

Location: Either Forest World or Dense Woods B (Frog Path) - Interact with the Frog.

Practical Uses: Walking through the Pink Sea and Uboa's Trap is much faster, although the Bicycle does the same thing.

Umbrella

Umbrella.png
Umbrella Egg.png

(かさ)

Open an umbrella / Use an umbrella.

Appearance: Madotsuki holds a red umbrella.

Passive Effect: It rains, which continues until Madotsuki unequips the umbrella into her normal form. The rain also enables the Demon effect to produce a clap of thunder and lightning. She is unable to enter the restrooms in Block World and Graffiti World and cannot enter beds when it is equipped.

Action: (1) Madotsuki spins the umbrella.

Location: Puddle World - Pick it up off the ground.

Practical Uses: Can be used to douse the fire in the Blazing Corridor of Underground World, although the Yuki-onna effect does the same thing. Can be used to stop the rain in the Dense Woods A if the effect is equipped and then unequipped.

Madotsuki extinguishing the Blazing Corridor's flames with the Umbrella effect.

Hat and Scarf

Hat and Scarf.png
Hat and Scarf Egg.png
Hat and Scarf 2.png

Hat & Scarf(ぼうしとマフラー)

Wear a hat and scarf / Don a hat & scarf. / Put on a hat and scarf.

Appearance: Madotsuki wears a hat and scarf.

Passive Effect: In the snowman form, Madotsuki cannot pinch herself awake due to her lack of arms, and she walks twice as slow.

Action: (1) When snowing, Madotsuki transforms into a snowman.

Location: Block World - Pick it up off the ground.

Practical Uses: Interacting with Mafurako in Block World as a snowman will always teleport you back by her side when returning from an upper area. In the Blazing Corridor, standing next to the fire as a snowman will cause Madotsuki to slowly melt and become immobile.

Yuki-onna

Yuki-onna.png
Yuki-onna Egg.png

Snow Woman(ゆきおんな)

Become the snow woman / Morph into a Snow Woman. / Transform into a snow woman.

Appearance: Madotsuki transforms into a Yuki-onna.

Passive Effect: It snows, which continues until Madotsuki unequips the Yuki-onna effect into her normal form. This enables you to use the Hat and Scarf effect's transformation in any area.

Action: None.

Location: Snow World - Interact with the Yuki-onna.

Practical Uses: Can be used to douse the fire in the Blazing Corridor, although the Umbrella does the same thing. Can be used to stop the snow in Snow World if the effect is equipped and then unequipped.

Knife

Knife.png
Knife Egg.png

Kitchen Knife(ほうちょう)

Wield a kitchen knife / Equip a kitchen knife.

Appearance: Madotsuki holds a knife.

Passive Effect: Mobile NPCs will run away from her. Most characters that can't move will animate faster, as if in panic.

The Stabbing Room, which is easily traversed with the Knife effect.

Action:

  • (1) Madotsuki switches the knife between her hands.
  • (Interact) Madotsuki stabs with the knife, killing or wounding characters. Some characters and objects react strangely or cause something to occur after being stabbed, including:
    • Toriningen - Will turn into their lunatic form if they weren't already, and will begin chasing Madotsuki.
    • Mars-san - Its eye changes color and a small wound appears on its foot.
    • Onsen-san - It completely changes color and stops drinking its water.
    • Pain Blob - Shows its face.
    • Arms and Legs in the White Desert Path - They twitch.
    • Eye Box - Has a 1 in 30 chance of taking you to the Eye People section of the White Desert. The same condition and chance applies to going back to White Desert A.
    • Dave Spector - Stabbing the southwest one grants access to other White Desert areas in the tunnel it wanders by.
    • Henkei Shita - The one in Hell has a 1 in 256 chance of transporting you to the Footprint Path A.
    • Extinguishes candles in Candle World.
    • Makes the eyeballs change color in Eyeball World.

Location: Dark World - Pick it up off the ground.

Practical Uses:

  • Killing/wounding NPCs.
  • Scaring NPCs away from you - can be used to move NPCs that block your way.
  • Interacting with the environment.
  • Obtaining money by killing NPCs.
  • Accessing new areas.

Medamaude

Medamaude.png
Medamaude Egg.png

Eye Palm / Evil Hand(めだまうで)

Become Medamaude / Warp into an Eye Palm. / Transform into a evil hand.

Appearance: Madotsuki's head becomes a giant hand with an eye in its palm.

Passive Effect: None.

Action: (1) Madotsuki closes her palm and teleports to the center of the Nexus.

Location: Eyeball World - Interact with Medamaude.

Practical Uses: Can be used to teleport back to the Nexus quickly and escape from traps (such as being caught by a Toriningen or Uboa) without having to pinch yourself awake.

Notes: When Madotsuki pinches herself, you can notice a little teardrop.

Fat

Fat.png
Fat Egg.png

Fatten / Get Fat(ふとる)

Get fat / Balloon in size. / Get fat.

Appearance: Madotsuki becomes fatter.

Passive Effect: None.

Action: (1) Madotsuki's belly rumbles and an emote appears.

Location: Docks B - Interact with Strober.

Practical Uses: None.

Midget

Midget.png
Midget Egg.png
Midget7.JPG

Dwarf(こびと)

Become small / Shrink in size. / Transform into a dwarf

Appearance: Madotsuki becomes very small.

Passive Effect: Madotsuki can fit through certain small entrances.

Action:

  • (1) Madotsuki produces another midget which walks in sync with her. She can produce up to 7 midgets at once.
  • (3) One of the cloned midgets will scream and burst in a small spray of blood.

Location: Candle World – Catch and interact with the Dwarf.

Practical Uses:

Flute

Flute.png
Flute Egg.png
Effect flute.png

(ふえ)

Play a flute / Brandish a flute. / Equip a flute.

Appearance: Madotsuki holds a flute to her lips.

Passive Effect: None.

Action: (1) Madotsuki plays a short, four-note tune. There are five different tunes that are chosen randomly.

Location: The music room in the Mall - Pick it up off the floor.

Practical Uses: None.

Neon

Neon.png
Neon Egg.gif

Neon Light(ネオン)

Become a neon light / Glow like a neon sign. / Transform into a neon light.

Appearance: Madotsuki glows in neon colors.

Passive Effect: None.

Action: (1) Tints the screen with a bright color. The tint is removed when the effect is unequipped or changed. Repeating the action cycles the color between red, blue, yellow, and violet.

Location: Neon World - Interact with the Neon Parrot.

Practical Uses: None.

Nopperabou

Nopperabo.png
Nopperabou Egg.png

Faceless Ghost / Faceless(のっぺらぼう)

Become the faceless ghost / Materialize as a faceless ghost. / Transform into a faceless.

Appearance: Madotsuki becomes a Noppera-bō.

Passive Effect: None.

Action: (1) Madotsuki's head jumps off her shoulders and spins around.

Location: The dead-end of the Sewers - Interact with the Nopperabou Ghost.

Practical Uses: None.

Severed Head

Severed Head.png
Severed Head Egg.png

Chopped Head(なまくび)

Become a severed head / Be reduced to a severed head. / Transform into a chopped head.

Appearance: Madotsuki becomes a severed head.

Passive Effect: Madotsuki's height and speed decrease. She is unable to pinch herself awake, enter the restrooms in Block World and Graffiti World, and cannot enter beds when it is equipped due to her lack of arms.

Action: None.

Location: Guillotine World - Interact with the Guillotine.

Practical Uses:

  • Viewing Closet Madotsuki in the Checkered Tile Path, as Madotsuki's normal height blocks the view.
  • Going under the large pipes in Underground World.

Towel

Towel.png
Towel Egg.png

(タオル)

Wrap up in a towel / Wrap yourself in a towel. / Equip a towel.

Appearance: Madotsuki has a towel wrapped around her.

Passive Effect: None.

Action: (1) Madotsuki sneezes.

Location: Infinite Wilderness - Interact with Ittan-momen.

Practical Uses: None.

Cat

Cat.png
Cat Egg.png
Cat Madotsuki meowing, revealing her red eyes.

(ねこ)

Grow ears and a tail / Sprout cat-ears and a tail. / Equip a cat ear and tail.

Appearance: Madotsuki grows cat ears and a tail.

Passive Effect: None.

Action: (1) Madotsuki faces downwards and meows like a cat, with large red eyes. She paws the air with her right hand and holds a koban coin in her left, resembling a Maneki-neko.

Location: Shield-Folk World - Interact with Nekoin.

Practical Uses:

  • Attract NPCs - Can be used to move NPCs that block your way or find NPCs hidden in the area.
  • Provoking a reaction from certain NPCs and the environment.
  • Summons UFOs at the top of Mars.

Notes: In most cases, this allows you to move characters out of your way without using the Knife effect to kill them. This may be in tune with the Maneki-neko being loosely associated with Guanyin, who is revered in Japan as Kannon (観音), the goddess of mercy and compassion. Maneki-neko with their left paw raised are also said to bring in people or customers, thus why it attracts certain NPCs.

The Cat effect attracting UFOs to Mars.

Lamp

Lamp.png
Lamp Egg.gif

(でんとう)

Become a lamp / Change into a lamp. / Transform into a lamp.

Appearance: Madotsuki's head transforms into a lamp.

Passive Effect: When the light is on, dark areas are fully lit, improving visibility.

Action: (1) Switches the light on and off.

Location: Lamp World - Interact with the Walking Lamp.

Practical Uses:

Madotsuki lighting up Dark World with the Lamp effect.

Bicycle

Bicycle.png
Bicycle Egg.png
Madotsuki Bicycle.png

(じてんしゃ)

Ride a bicycle / Mount a bicycle. / Ride a bicycle.

Appearance: Madotsuki rides a bicycle.

Passive Effect: Madotsuki's speed is doubled. She is unable to enter the restrooms in Block World and Graffiti World and cannot enter beds when it is equipped.

Action: (1) Madotsuki rings the bicycle's bell.

Location: Graffiti World - Pick it up off the floor.

Practical Uses: Can be used to travel through the dream world much faster than by walking, catch fast-moving characters like the Dwarf and Nekoin, and escape from lunatic Toriningen.

Long Hair

Long hair.png
Long Hair Egg.png

(ロングヘアー)

Grow long hair / Grow long hair. / Get long hair.

Appearance: Madotsuki's hair becomes longer.

Passive Effect: None.

Action: (1) Madotsuki sits down (same as default).

Location: Mural World - Interact with the long-haired Mouth Monster.

Practical Uses: None.

Poop Hair

Poop hair.png
Poop hair Egg.png

Poo Hair(ウンコヘアー)

I certainly hope it's hair / Grow poo hair. / Get poop hair.

Appearance: Madotsuki's hairstyle is done up to resemble poop. At least we hope so.

Passive Effect: None.

Action: (1) Madotsuki drops a fly which buzzes around in place.

Location: Underground World Storage Room - Interact with the poop-haired Mouth Monster.

Practical Uses: Can be used to mark locations for a short time, though only in the same room/area.

Blonde Hair

Blonde hair.png
Blonde hair Egg.png

Blonde(ブロンド)

Grow long, golden hair / Glow long blonde hair. / Get blonde hair.

Appearance: Madotsuki's hair becomes long and blonde.

Passive Effect: None.

Action: (1) Madotsuki sits down (same as default).

Location: Mural World - Interact with the blond-haired Mouth Monster.

Practical Uses: None.

Triangle Kerchief

Triangle Kerchief.png
Triangle Kerchief Egg.png

Spirit Headband / Ghost Hair Band(△ずきん)

Wear triangle kerchief / Put on a Spirit Headband. / Equip a ghost hair band.

Appearance: Madotsuki wears a triangle kerchief as a tiara, symbolizing death in Japanese culture.

Passive Effect: In the 'ghost form', Madotsuki is invisible to NPCs.

Action: (1) Madotsuki transforms into an 'invisible' ghost and becomes translucent.

Location: Ghost World - Catch and interact with Fleebie.

Practical Uses: When in 'ghost form', lunatic Toriningen can be avoided as Madotsuki is invisible to them, but they will trap her if she interacts with them intentionally.

Madotsuki safely close to two Toriningen thanks to the Triangle Kerchief effect.

Witch

WitchYN.png
Witch Egg.png
Witch Broom.png

(まじょ)

Become a witch / Become a witch incarnate. / Transform into a witch.

Appearance: Madotsuki becomes dressed like a witch, with a pointed hat and robe.

Passive Effect: None.

Action: (1) Madotsuki mounts a broom and floats a short distance from the ground.

Location: Witch's Island - Interact with Kimajo.

Practical Uses: Can be used to fly off the Mall Rooftop. Pressing Z returns to the rooftop, and pressing 1 dismounts the broom in midair, causing Madotsuki to fall out of bed and wake up.

Demon

Demon.png
Demon Egg.png

Oni(おに)

Become a demon / Reconstitute as an oni. / Transform into a demon.

Appearance: Madotsuki transforms into a Demon. Her skin turns red, horns appear on her head and she wears some sort of animal skin.

Passive Effect: None.

Action: (1) When it's raining, a clap of thunder and lightning can be produced.

Location: FC Basement - Interact with the FC Demon.

Practical Uses: Can be used to summon the FC Demon in the Pyramids area of FC World B any time the area is entered with the effect equipped, giving a warp to the FC Demon's room in FC House. Without the effect, it is normally a 1 in 8 chance.

Buyo Buyo

Madotsuki.png
Buyo buyo Egg.png

Squish-Squish / Jelly Body(ぶよぶよ)

Body becomes soft and squishy / Change into a squishy blob. / Get a jelly body.

Appearance: When Madotsuki walks, she wobbles around like jelly.

Passive Effect: None.

Action: (1) Madotsuki wobbles up and down.

Location: FC World B - Interact with Buyo Buyo.

Practical Uses: None.

Stoplight

Stoplight.png
Stoplight Egg.png
Effect Stoplight Red.PNG

Traffic Light(しんごう)

Become a stoplight / Change into a traffic light. / Transform into a traffic light.

Appearance: Madotsuki transforms into a stoplight.

Passive Effect: Madotsuki cannot pinch herself awake due to her lack of arms.

Action: (1) Switches stoplight between green and red.

Location: Dense Woods B (Road) - Interact with Shitai-san.

Practical Uses: When the light is red, all NPCs will freeze in place, which is useful for avoiding Toriningen or catching fast-moving characters. The appearances of some characters also change, for example:

The Stoplight effect transforming Monoko.

Video Guides

This is a playlist of effect guides created by BuyoBuyo on YouTube.

Pseudo-effects

These are actions that work like effects, but are not counted as a collectible effect and are not required to finish the game.

Instructions

Tutorial(ゲームのせつめい)

See the instructions again / Review the game's tutorial. / Open the tutorial.

The instructions appear as a menu item like the 24 effects. Using it displays a basic tutorial on how to play the game. Madotsuki starts with this effect and can use it in any area, including the real world.

Instructions.gif Instructions2.gif

Chair

Madotsuki chair faceset.png

The chair in Madotsuki's dream room can be ridden when Madotsuki sits on it. Instead of writing in her diary, sitting at the desk and pressing Z (facing the desk) will let Madotsuki scoot the chair around her bedroom. She can ride the chair almost anywhere in the dream world (albeit very slowly), but will not be able to get off it until she returns it to her desk. Some areas are also inaccessible with the chair:

Effects can be equipped when sitting on the chair while at the desk, a main cause of glitches. Equipping an effect while in the chair and then riding it will cause the effect to stack with the chair. This results in the passive effect functioning and any effect action (besides sitting down) working as normal. The aforementioned areas remain inaccessible as Madotsuki is technically still in the chair, with the exception of Docks A, which can be entered from the Sewers if the Midget effect is equipped while in the chair.

Crick in the Neck

Looking Left.png

The only involuntary effect. Madotsuki has a 1 in 64 chance of waking up with a crick in her neck, constantly looking left. She can still sit down on the floor or the chair, but she is unable to write in her diary or play NASU. Going back to sleep and waking up again should solve the problem. If all 24 effect eggs have been dropped in the Nexus to trigger the game's ending, the neck crick will not occur.

Look left sit.png

Although Madotsuki will not dream that she has a crick in her neck, there is a matching FC World sprite that is unused, suggesting that it could have been an actual effect at some point.

Trivia

  • The Frog effect is the only effect that can be found in two separate locations: Forest World and Dense Woods B.
    • The Severed Head effect can technically also be obtained in two different areas, albeit they are variants of one world, them being the normal and big variants of Guillotine World.
  • There are some unused effects that remain in the files of the game, despite never being implemented in any version.
  • The Midget effect has an unused graphic for eight midgets. This graphic also has an FC World counterpart.
  • All the effect names in Japanese are written in kana, even if the words are usually or only written in kanji. Such effects are written in kanji within the game's database.
  • When the English Steam release of Yume Nikki first came out, the translation used different names for the Fat, Flute, Severed Head, and Demon effects as well as the Instructions, respectively dubbing them "Get Fat", "Whistle", "Talking Head", "Devil", and "Game Info". This was changed 12 days after the original release; the update additionally touched up the descriptions for many effects (including those that were not renamed), ranging from minor grammatical fixes to changing the tone of the text.
    • Some of these incorrect names still appear in the FC World menu and when picking up dropped effect eggs in the Nexus. Curiously, the incomplete version of the FC World menu only contains the incorrect names for the Fat effect and the Instructions. Additionally, the FC World menu misspells Midget as "Miget" when all 24 effects have been collected.
  • In 0.10 and 0.10a, the Witch effect has a bug where, if the player floats with the broom in the Pink Sea, the Number World Bed Room, or the second Neon Tile Path area, the player's footsteps can still be heard while moving around.
    • This is due to the fact that every map contains two copies of the same tileset: one for the regular footstep sound effect and one for the broom. 0.09 included the full code for switching between the two tilesets in every map. This was simplified in 0.10, but the three aforementioned maps were not updated.
    • The maps still contain leftover data for 0.09's method, and attempting to trigger them with cheats instead corrupts the graphics to the tileset indices changing between builds: the second Neon Tile Path area replaces the pyramids with Henkei Shita heads from Footprint Path A (with the full tileset changing to that of Snow World when sitting down), the Number World Bed Room's tiles are replaced with those of Forest World (except when sitting), and the Pink Sea turns completely invisible due to the game attempting to call blank divider tiles, leaving only a black void.
  • In 0.10, the Triangle Kerchief effect's cheek pinch animation always uses the graphic for the invisible state, even if you wake up while visible.
    • The animation for waking up in this state also lacks the sprite transparency that the effect's invisible state typically has.
  • In versions before 0.10, some effects had different 1-key actions:
    • The Knife effect originally had Madotsuki stab the air instead of switching which hand the knife was in. Despite this action sharing its animation with the effect's actual function, it does not affect NPCs as if they have been stabbed.
    • The Triangle Kerchief originally made Madotsuki progressively more transparent when the 1 key was pressed, and less transparent when the 3 key was pressed. Toriningen could also still see and trap Madotsuki if she became fully transparent with the effect.
    • In 0.04, the Umbrella and Blonde Hair effects lacked 1-key actions altogether, though they gained their respective actions in 0.06.