During the game, you will find that you receive wallpapers for your *real* computer when certain events are triggered. Here is a list of the current possible wallpapers that you can unlock.
There are currently 139 wallpapers available to unlock. They might not appear even if you fulfill the requirements; no one knows why.
The wallpapers will be displayed by number listed on the game and will have the details about where they're found next to them.
Note: Those marked with "Random Occurrence" are either unknown as to when they appear, or appear depending on how far you are through the game.
#2 - After first clicking on the Picture icon in the Tools section on your computer
#3 - After sleeping 3 times
#4 - When you first enter the Hand Hub
#5 - When you activate the Buddha Rave event in Marijuana Goddess World
#6 - After collecting 5 effects (including the instructions)
#7 - When you interact with the painting of the same image in the Art Gallery
#8 - When you interact with the painting of the same image in the Art Gallery
#9 - After looking at the fourth book from Urotsuki's left on the second bookcase in the Library
#10 - After getting the Fairy effect
#11 - Random occurrence
#12 - After going to the "Green Monster Party" in Garden World
#13 - When you first go into Theatre World
#14 - After first going to Japan Town
#15 - After getting the Rainbow effect
#16 - After sleeping 10 times
#17 - When going into the Sewer Bar for the first time
#18 - When you use the Rainbow effect at the Snowy Pipe Organ area
#19 - When you go into the room with the purple wavy lines on the floor at the Underwater Carnival
#20 - When triggering Odorika's full screen dance event
#21 - Random occurrence
#22 - When encountering the submarine people when the submarine is not open
#23 - After encountering the pregnant woman in the fake apartments
#24 - When you interact with the giant mannequin in Nail World
#25 - After going to Sign World for the first time
#26 - After chainsawwing Tapir-San's back to get into Space
#27 - After getting the Glasses effect
#28 - After using the Fairy effect on Tako Otoko
#29 - After entering the first painting you see in the Art Gallery after going through the easel
#30 - When you go underwater from the grand piano
#31 - When you swim down the road leading to the Underwater Carnival
#32 - After interacting with Cripple-Tan
#33 - After receiving the Boy effect
#34 - Random occurrence
#35 - After getting the Police effect
#36 - After getting the Spring effect
#37 - When you go into Urotsuki's fake apartment and turn on the TV
#38 - After going into Heart Land from Sign World
#39 - After going to Chocolate World for the first time
#40 - After chain-sawing the sane Shadow Woman in Forest World, going underground and then emerging.
#41 - When using the glasses effect on a ledge in a tiny area in Toy World.
#42 - When you interact with the Music Box Woman
#43 - When using the Telephone effect on the Bat-Winged girl while she is reading
#44 - When you see the same image in the Art Gallery
#45 - When going to Desert Land for the first time
#46 - After going through the dungeon in the Underwater Amusement Park
#47 - After interacting with the boy on the bench in the Earthbound forest
#48 - After communicating with the Beret Girls
#49 - After entering Teddy Bear Land
#50 - After communicating with Eyeball Masada in the Eyeball Shop
#51 - After trying on the winter gear in the Dressing Room
#52 - After using the Cake effect on the Cake-Crazy girl
#53 - After meeting Elvis Masada
#54 - After getting the Cake effect
#55 - Random occurrence
#56 - After completing ↑V↑ mini-game
#57 - When coming across the creatures in tanks at the Power Plant
#58 - When entering the world of black and white reflected shapes
#59 - When encountering Dogboa
#60 - After getting abducted from the Apartments
#61 - When encountering the Okami-Mask man
#62 - After communicating with the Blue Crying Man after the Zalgo event
#63 - After getting the Twintails effect
#64 - When using the Telephone effect on the Bat-Winged girl while she is reading
#65 - After using the Cake effect on the Cake-Crazy girl
#66 - When you go up/down the ladder to the fat aardvark's house
#67 - After first viewing the lonely Urotsuki event in the Underwater Carnival
#68 - After sleeping 30 times
#69 - After activating the cloning machine in Toy World
#70 - After chain-sawing your "reflection" in an area in Toy World
#71 - When communicating with the grey blobs in MariGod World
#72 - When getting attacked by a Shadow Lady
#73 - When using the Twintails effect with the maid outfit in the Dressing Room.
#74
#75 - When using the Glasses effect with the suit in the Dressing Room.
#76 - After getting the Wolf effect
#77 - After trying to chainsaw the lady under the big red sun
#78 - After going into Mushroom World for the first time
#79 - When coming across the hanging girl near the laggy map
#80 After getting near your ghost in the Reef
#81 - When eating the cheese that makes you big
#82 - After talking to the farmer in Farm World
#83 - When using the Wolf effect to howl at the moon on a ledge in a tiny area in Toy World
#84 - After reading the first book on Urotsuki's left on the first bookcase in the Library
#85 - After interacting with the bat-winged girl while she's reading
#86 - After getting the Penguin effect
#87 - When you first go into any of the dream worlds in the Nexus
#88 - After sitting in the chair next to Yume in Tapir-San's Place
#89 - Random occurrence
#90 - After getting the Child effect
#91 - After using the boy effect in the Toilets in the Cat Building
#92 - When finding the little girl in the box in the Eyeball Shop
#93 - After laying in Urotsuki's bed in the dreamworld.
#94 - When you use the child effect before viewing the lonely Urotsuki event at the Underwater Carnivale.
#95 - When you chainsaw the girl overlooking the sea
#96 - When you look at the fifth book from Urotsuki's right on the first bookcase in the Library
#97
#98 - Random occurrence
#99 - After getting the Maiko effect
#100 - After visiting Smile-san and making him laugh
#101 - After chain-sawing the crying white tentacle monster from an area near Chocolate Land
#102 - After meeting the lady underneath the big red sun
#103 - When you buy one or more drinks at the Sewer Bar
#104 - When encountering the sane Shadow Woman
#105 - After falling down from completing the game in your Fake Bedroom.
#106 - After first communicating with the bat-winged girl
#107 - When using the Glasses effect near the "Urotsuki house" while deep underwater - reached from the submarine
#108 - When you first receive the Chainsaw effect
#109 - When finding the albino girl in the circus tent
#110 - After getting the Cripple effect
#111 - When you go to the Ocean Floor via the submarine
#112 - After encountering the long-haired girl in the Fake Apartments
#113 - Random occurrence
#114 - After Urotsuki gets crushed on one of the pillars at the Underwater Carnival
#115 - When using the Bug or Fairy effect to make Box-Chan pop her head out
#116 - Random occurrence
#117 - When encountering the XY twins in the apartments
#118 - After receiving the Child effect
#119 - When getting the Red Riding Hood effect
#120
#121 - After using the Invisible effect on a Shadow Lady
#122 - When encountering the submarine people
#123 - When going to the room with the silhouette on the ground in the Pastel Blue House
#124 - When going through the Arrow Maze
#125 - When you enter the Broken Faces Area
#126 - When getting the Tissue effect
#127 - Random occurrence
#128 - When going to the room where you got the Spring effect
#129 - After Urotsuki gets crushed on one of the pillars at the Underwater Carnival
#130 When visiting the giant bedroom from the Toy World
#131 - After getting the Chainsaw effect
#132 - When falling into one of the tanks near Sign World
#133 - After meeting all the characters on this wallpaper
#134 - After viewing the lonely Urotsuki event in the Underwater Carnival
#135 - After getting the Red Riding Hood effect
#136 - After encountering the prince and princess cutouts in Theatre World
#137 - When you go to the Shinto Shrine
#138 - When you go to the Hot Springs
#139 - After getting the 1st Ending
#140
