The Looking Glass/guide

Rollerblades
Enter the brown door to Haunted World. Go up from the door and enter the mansion. Enter the main hallway then enter the door on the right. Enter the first door to your left and go up the stairs. Go right and enter the second door. Interact with the rollerblades on the floor.

Kinoko
Enter the door with blood on it to the Land of Mushrooms and Blood. Go south-east to a huge bleeding fungus structure. Interact with the tiny moving mushroom.

Cybot
Enter the blue-gray door to the Mirror Apartments. Leave the room via the door. Go right and through the door at the bottom. Enter the door in the middle. Go down the stairs. Go left and enter Room 106. Interact with the robot in the room.

(Note: The NPC that you get the effect from will sometimes be in the Apartments reception hall. If she's not in Room 106, then check there. If she's in the room but asleep, simply wake up then go back).

Flashlight
Enter the blue-gray door to the Mirror Apartments. Leave the room via the door. Go right and through the door at the bottom. Enter the door in the middle. Go down the stairs. Go right. Go up, left and enter the cream door. Interact with the Game Boy Color.

You are now in Pokemon World. Go down and enter the forest. Go right and down. Follow the path that splits to the left. Go through the small path to the lower-left and interact with the flashlight on the ground at the end of it.

Spectrum
Enter the door with a tree on it to the Land of White and Black. Go south-west and interact with a clock. Follow the path of water to reach another clock. Go up and interact with yet another clock. Interact with the object between the lamp-posts.

Yeti
Enter the ice-blue door to the Barren Snowfield. Go south-west and interact with the yeti.

Crowbar
(Note: the Flashlight effect is needed to get this effect).

Enter the blue-gray door to the Mirror Apartments. Leave the rom via the door. Go right and through the door at the bottom. Enter the door in the middle. Go down the stairs. Go up to the reception hall then go right through the light.

Go right and up through the door. Go all the way down the stairs. Equip the Flashlight and go through the double doors. Go through the door at the bottom left corner. Go up and left, interact with the locker.

Octopus
Enter the blue door to The Seafloor. Find and go between two brown pillars to reach Atlantis. Go down from where you are and find/interact with the octopus.

Glowstick
Enter the multi-colored door to the Land of Color and Neon. Go left until you reach a colorful bridge and water. Cross the bridge to the next area. Find and Interact with the glowstick.

Bicycle
(Note: You need to have 1000 money to buy this effect. Money can be gotten by killing NPCs using the Crowbar).

Enter the blue-gray door to the Mirror Apartments. Leave the room via the door. Go right and through the door at the bottom. Enter the door in the middle. Go down the stairs. Go up to the reception hall and through the door on top to leave.

Go down then go right. Enter the building with the green OPEN sign in the window. Talk to the Shadow NPC to buy the effect.

White Queen
Enter the peach-colored door to Chess World. Go right to the next area. Go right again to an area with pawn and knight pieces. Take the bottom-right path. Keep going right and you'll reach a large queen piece sitting on a throne who'll give you the effect.

Witch
(Note: You need to have the White Queen effect in order to get this effect).

Enter the peach-colored door to Chess World. Go right to the next area. Go right again to an area with pawn and knight pieces. Take the bottom-right path. Go right to the room where you'd get the White Queen effect.

Take the path going down. Go up through the gate. Use the White Queen effect to make the three rook pieces move aside and go through the path they were originally blocking. Interact with the sleeping girl.

Long Hair
Enter the blue-gray door to the Mirror Apartments. Leave the room via the door. Go right and through the door at the bottom. Enter the door in the middle. Go down the stairs. Go right. Go up, left and enter the cream door. Interact with the Game Boy Color. In the Pokemon World, go into the forest then go east and find a tree stump which will teleport you into a town. Go roughly south-west from where you spawn and enter a huge building. Take the elevator to the roof then enter the room on the left. Interact with the glitched NPC.

Alice
(Note: This effect can only be gotten through the Debug Room). Go into Irene's Dream Bedroom. Interact with the wall to the right of the mirror. This'll bring you to the Debug Room. Interact with the clone Irene wearing a headband.

Effects Guide - Video




Debug Room - Video
Here are the directions for the Debug Room: