This page lists all the effects for Itsuki, what they do, and where to locate them.
Main Effects
These are the main 24 effects scattered through Itsuki's dream world.
Scooter
"Ride a scooter"/"Get impatient"
Appearance: Itsuki rides a scooter.
Passive Effect: Itsuki travels at double his normal walking speed. It does not work underwater.
Action: None.
Location: Found in Purple Polka-Dot World by following the green tube.
Practical Uses: Can be used to travel through the dream world much faster, chase fast-moving NPCs, and escape from chasers more easily.
Doodle
"Become a doodle"/"Be random"
Appearance: Itsuki has the outline of a doodle.
Passive Effect: None.
Action: None.
Location: Found in Doodle World.
Practical Uses: None.
Sick
"Get sick"/"Pretend to be sick"
Appearance: Itsuki looks ill.
Passive Effect: Itsuki walks at half his normal speed.
Action: Itsuki sneezes.
Location: Found in Dark World.
Practical Uses: None.
Glitch
"."/"Act stupid"
Appearance: Itsuki glitches around.
Passive Effect: None.
Action: None.
Location: Found in Glitch World.
Practical Uses: Talking to Kondo in the Glitch World with this effect grants you the "Kondo" feat.
8-bit
"Change to low resolution"/"Get nostalgic"
Appearance: Itsuki looks like he's from an 8-bit game.
Passive Effect: None.
Action: None.
Location: Found in 8-bit World.
Practical Uses: If you talk to Zapnef in the Glitch World with this effect, he will transport to you to Fake Zapnef Level.
Nerd
"Become a nerd"/"Act nerdy"
Appearance: Itsuki wears a checker patterned shirt with glasses.
Passive Effect: None.
Action: Itsuki adjusts his glasses.
Location: Found in School World.
Practical Uses: Entering the big playground in School World triggers a special event.
Monochrome
"Become a monochrome child"/"Feel alienated"
Appearance: Itsuki looks like his classmates.
Passive Effect: None.
Action: None.
Location: Found in Decision Path.
Practical Uses: Interacting with the black tiles in the Art Gallery will turn them white.
Bald
"Go bald"/"Worry about your hair"
Appearance: Itsuki becomes bald.
Passive Effect: None.
Action: None.
Location: Found in Ice World.
Practical Uses: None.
Megaphone
"Become a megaphone"/"Draw attention"
Appearance: Itsuki's head turns into a megaphone.
Passive Effect: None.
Action: Plays a random sound that attracts NPCs. It also enrages Hexagons.
Location: Found in Neon World.
Practical Uses: Can be used to move the metal balls in the Testing Area.
Blob
"Become a colorful blob"/"Have colorful thoughts"'
Appearance: Itsuki turns into a blob.
Passive Effect: None.
Action: Itsuki changes between six possible colors (red, yellow, green, cyan, blue, magenta).
Location: Found in Alphanumeric World.
Practical Uses: Interacting with the black tiles in the Art Gallery will turn them the color that Itsuki is using.
Wrench
"Wield a handy wrench"/"Want to beat someone"
Appearance: Itsuki carries a wrench.
Passive Effect: Some NPCs will walk away from you.
Action: Itsuki swings his wrench.
Location: Found in Space World.
Practical Uses: Can be used to open crates and kill NPCs. It also enrages Hexagons.
Raincoat
"Wear a raincoat"/"Wish to stop raining"
Appearance: Itsuki wears a raincoat.
Passive Effect: Makes it rain, until the Raincoat effect is unequipped from the pause menu or by pressing 3 (except for Rain World). The Seabed will turn slightly darker.
Action: None.
Location: Found in Rain World.
Practical Uses: Going to the Beach or Ice World with this effect grants you the "Rainbow" and "Snow" feat respectively.
Scarf
"Wear a warm scarf"/"Pretend to be who you are not"
Appearance: Itsuki wears a scarf.
Passive Effect: None.
Action: None.
Location: Found in 8-bit World.
Practical Uses: None.
Classic
"Look like a hikikomori"/"Be like the rest"
Appearance: Itsuki has a similar appearance as Tsukitsuki.
Passive Effect: None.
Action: None.
Location: Found in Tsukitsuki's Bedroom.
Practical Uses:None.
TV
"Get a TV for a head"/"Be addicted to television"
Appearance: Itsuki's head turns into a TV.
Passive Effect: None.
Action: The TV turns on. Masks will not chase you when the TV is on.
Location: Found in Tubes.
Practical Uses: Receives signals in tests 8 and 20 in the Testing Area, which is necessary in order to complete them.
Fox
"Grow fox ears and a tail"/"Show your cute side"
Appearance: Itsuki grows fox ears and tail.
Passive Effect: Looks adorable.
Action: Itsuki will move his ears and tail.
Location: Found in the Forest.
Practical Uses: Can be used to jump ledges up or down, instead of just down.
Candle holder
"Be a candle holder"/"Keep your hopes up high"
Appearance: Itsuki transforms into a candle holder.
Passive Effect: Lights up dark places. In the Seabed, the candle will be put out.
Action: None.
Location: Found in Pink Maze.
Practical Uses: Can be used to navigate the Dark World and test 11 in the Testing Area.
Clockworker
"Become a clockworker"/"Want to go back in time"
Appearance: Itsuki wears the Clockworkers clothes.
Passive Effect: None.
Action: Brings you back to The Nexus.
Location: Found in Clock Tower.
Practical Uses: Comes in handy after reaching a dead end or bring trapped by a chaser.
Diving suit
"Wear a diving suit"/"Remember the summer days"
Appearance: Itsuki wears a diving suit.
Passive Effect: Itsuki travels at double his normal walking speed underwater.
Action: None.
Location: Found in the Beach.
Practical Uses: Exploring the Seabed and the Dance Flood in its flooded state, where the Scooter does not work.
Mercury
"Become solid mercury"/"Try to go unnoticed"
Appearance: Itsuki's body will entirely consist of mercury.
Passive Effect: None.
Action: Itsuki will become a puddle and pour through cracks in certain walls, allowing him to pass through them.
Location: Found in the Testing Area.
Practical Uses: Needed in some tests from the Testing Area. It is also used in the Sewers to reach the puddle that transports you to the Shower.
Healing aura
"Emit a healing aura"/"Be helpful"
Appearance: Itsuki has a glowing aura around him.
Passive Effect: None.
Action: Itsuki will fix certain glitched spots in his dreams, marked with a green cross inside a circle.
Location: Found in the Hospital.
Practical Uses: Opening new connections between worlds, such as the two first Subway stations, or the phone booth in the Hospital.
Wood
"Become a wooden doll"/"Be emphatic"
Appearance: Itsuki turns into a wooden doll.
Passive Effect: None.
Action: When stepping on special marks with a tree inside a brown circle, Itsuki will teleport to a nearby place by exchanging his position with a wooden doll of himself.
Location: Found in the Testing Area.
Practical Uses: Needed for certain tests in the Testing Area, and to explore Wobbly World.
Tomato
"Get a tomato for a head"/"Be passionate"
Appearance: Itsuki's head turns into a tomato.
Passive Effect: Crickets in the Dark World and the Sewers will approach you.
Action: None.
Location: Found in Edible World.
Practical Uses: Attracts crickets, such as the one in the Sewers.
Lab Coat
"Wear a lab coat"/"Be interested in science"
Appearance: Itsuki wears a lab coat.
Passive Effect: None.
Action: Itsuki will pose and laugh maniacally.
Location: Found in High School.
Practical Uses: Unlocking the teleporter at the end of the Testing Area.
Endgame effects
Besides the 24 regular effects, there's a special effect that can only be obtained during one of the Endings.
Baku
Spoilers:
"Become a dream eater"/"Don't be afraid to be yourself"
Appearance: Itsuki becomes a mythological baku.
Passive Effect: None.
Action: None.
Location: Given by the Teru Teru Bozu at the top of the stairway in the Meta-Nexus.
Practical Uses: Required to unlock the good ending.
Spoilers end here.