Physicality (フィジカリティ)/guide

One Eye
Right bottom door → Candy World (interact with a big blue fork) → Dark Candy World (interact with a white and red figure with a mouth) → Red and Black Room. Interact with the red puddle on the floor.

Fish
Right upper door → Neon Tiles World (interact with a blue fish on the floor).

Chisel
Left upper door → Red and Blue Flowers World (go through the green plant gates) → Blue Diagonal Hallway → School (interact with a blue vase on a table on the third floor).

Suit
Right upper door→ Neon Tiles World (step on a white square inside of many colored ones) → Paper Stacks Rooms (interact with a bloody paper stack).

Gum
Right bottom door → Candy World (interact with a big blue fork) → Dark Candy World (interact with a lamp post) → Looping City Street. Go left until you see an arrow pointing right, ignore it and enter the building. Interact with a cardboard box inside of it.

Clock
Left bottom door → Lamp Post World (interact with a yellow orb) → Lights Maze. Interact with a grandfather clock.

Butterfly
Left upper door → Red and Blue Flowers World (interact with a white flower) → Flower Maze (See a map of it above) → Butterfly Room (interact with a yellow butterfly).

Pencil
Left upper door → Red and Blue Flowers World (interact with a white flower) → Flower Maze (See a map of it above) (interact with a yellow paint puddle) → Yellow World (interact with a blue rectangular box).

Anpan
(You need the Star effect in order to get Anpan.)

Left upper door → Red and Blue Flowers World (go through the green plant gates) → Blue Diagonal Hallway (interact with a hand) → Purple Tiles Maze (find an elevator door) → Glass Floor Room → Dark Room. Go to the right door and interact with the statue in the glass box.

Star
Left bottom door → Lamp Post World (interact with a yellow orb) → Lights Maze (interact with a yellow paint stain) → Galaxy World. Interact with a red sun-like star.

Triangle
Right bottom door → Candy World (interact with a blue cube inside of one of the wrapped candies) → Colorful Boxes World (go through a doorway surrounded by colorful tiles) → Lego Cafe World → Light Blue Castle (go down a ladder in one of the rooms) → Famicom World. Go through the tunnel then go up in the next junction. Interact with a white triangle.

Ikebana
Left upper door → Red and Blue Flowers World (interact with a white flower) → Flower Maze (See a map of it above) (interact with a yellow paint puddle) → Yellow World (step on a red maple leaf) → Forest. Pass between two grey pebbles and interact with a picture of blue flowers.

Eyepatch
Left upper door → Red and Blue Flowers World (go through the green plant gates) → Blue Diagonal Hallway → School (interact with a red gem) → Hell Maze (interact with a red toilet pump (?)) → Red and Orange Rooms (interact with a big grey creature with a widely opened mouth)) → Grey Half-Heads Hallway. Interact with a white sphere with a white eyepatch on it.

or

Left bottom door → Lamp Post World → Purple Cave → Ice Rink (kill one of the NPC that drop the match) → Red and Orange Rooms → Grey Half-Heads Hallway. Interact with a white sphere with a white eyepatch on it.

Uboa-like Random Event
Left upper door → White Flower → Flower Maze (See a map of it above) → butterfly room → yellow room → a room with a boy with open eyes (similar to Poniko's room in Yume Nikki). To trigger this random event, exit and enter this room until the room and the music changes.

School Roof Wake-Up Event
Left upper door → green plant gates → blue diagonal hallway → school → fangames reference stairway → roof → interact with/go through the gap in the fence. The screen then blackens and Katatsuki falls off his bed and forced to wake up.

FC Building Wake-Up Event
Right bottom door → Candy World (interact with a blue cube inside of one of the wrapped candies) → Colorful Boxes World (go through a doorway surrounded by colorful tiles) → Lego Cafe World → Light Blue Castle (go down a ladder in one of the rooms) → Famicom World. Enter the tunnel, climb up a ladder and you will exit it. The go right and the event will be triggered. Katatsuki will head slowly towards a tall building, then he will stop and say "Iya!" (No!) repeatedly until the screen blackens. Then he falls off his bed and is forced to wake up.

Cross Event
Left upper door → Red and Blue Flowers World (interact with green plant gates) → Blue Diagonal Hallway → School (interact with a red gem) → Hell Maze (interact with a red toilet pump (?)) → Red and Orange Rooms  → Find a small hole in one of the walls, cut it open with the Chisel effect and enter a grey room with a somewhat grotesque crucifix scene.

Church Event
Right upper door → Neon Tiles World (interact with the orange flower) → Board World → Church. Use Chisel effect to kill another Katatsuki at the end for few times, after killing him will cause a weird purple creature that makes some noise appear on the table.

Lucid Dream Fly Event
Sleep in ben in dream room until it will send Katatsuki in big place with a drawings, go north-west to the big tree drawing and interact with a red dot or something, walk to the edge and use there Butterfly Effect to fly away.

ED1
Obtain all 13 effects and open the door.

ED2
After obtain all 13 effects, follow the guide of Gum effect to the Blue Maze, find a hole to a room with a cross sketch on the wall, use Pencil effect will cause an event happenned, then go back to the Looping City Street you will find the arrow that blocked the door be removed, enter the door and go to the end will cause an event and forced to wake-up, after that Katatsuki's real room will appear a nail bat, collect it and open the door.

ED3
Follow the ED2's guide, after collected the nail bat, go to the balcony.

ED4
Obtain all 13 effects, then enter the left upper door → Red and Blue Flowers World (interact with green plant gates) → Blue Diagonal Hallway → School (interact with a red gem) → Hell Maze, find and interact with pink demon like creature, you will be on a rooftop of some big building, there will be chaser on a fence, use Chisel Effect to make him fall, after that use Clock Effect to return in Nexus, enter the bottom right door → Candy World, find and enter the big wrapped candy with a blue cube inside, interact with a cube → Colorful Boxes World (go through a doorway surrounded by colorful tiles) → Lego Cafe World → Light Blue Castle (go down a ladder in one of the rooms) → Famicom World. Go through the tunnel then go right, you will be in some kind of symbols dungeon/maze, navigate your way to the another questuon mark → Big Cage, find a red/crimson ark which send you in Island Area, navigate your way to the path on south-west, climb by upstairs on a top floor and enter the last from right door, if Katatsuki will refuse enter in it and just saying no, probably you should go in School and kill Osana (girl in Chisel Effect's room) and return to that door, and just in case seek in building rooms with some windows and interact with them for full screen brief pics, if all circumstances will be done Katatsuki enter the door and will be send in some area with a glitchy version of chasers, just let them touch you, after that Katatsuki will be in glitchy version of his room, just leave it through the door.