Expiate/guide

Metal Bat
Select the channel with lightbulbs. Go north-west and between two stands of burnt-out lightbulbs. Interact with the bat on the ground.

Corpse
Select the channel with colorbar tv screens. Go north twice until you reach a colorful door. Go left to the narrow path. Go up, left, down and interact with the door to reach the apartment area. Go down then go right until you reach a two-way fork in the path.

Take the south path. Go south-west and enter the door to the washrooms. Go through the hall to the right. Go through the bottom-right door. Go down and through another door to the bottom-right. Take the path on the right. Go right and then up. Go up once more then take the path on the right. Go along the hallway and interact with the corpse in the room at the end of it.

Wireframe
Select the channel with moving red symbols. Go south-east and enter the door. Go north and enter the next door. Go up again and interact with the tall wireframe.

Oilshadow
Select the channel with oil barrels. Find the six green balls hidden throughout the world. Once you've found all six, go to the bottom-right corner of the map and enter the building. Go right and down, take the left path and go into the hole.Go right. Take the north-path when you reach a split in the path, go right again and interact with the NPC among the barrels.

Electrical
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Smog
(Wireframe effect is needed). Select the channel with moving red symbols. Equip the Wireframe effect and activate it by pressing 1. Go south-west to a patch of squares shaped similarly to a plus-sign (with the top and bottom curving to the side) and interact with the red square with an x in it in the center.

Go up to a hallway and go right. Continue down the hallway until you reach a doorway, then go through the doorway into a cave-like area. Go up through the entryway. Go north from where you exited and head between the gap in the spikes. Go up the stairway until you reach an area filled with scuttering insects.

Go up, take a left, then take a right and go through the entryway. Follow the path south-east and go through another entrance. At the four-way path, go north. Go right and through the other entryway. Interact with the well.

Black Bandana
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Apartments
(Metal Bat effect is needed).

Select the channel with colorbar tv screens. Go north twice until you reach a colorful door. Go left to the narrow path. Go up, left, down and interact with the door to reach the apartment area. Go down then go right until you reach a two-way fork in the path.

Take the north path. Go right and use the Metal Bat on the NPC to go through the door. Head down and enter the next door. Go up and interact with the glitchy box-like object.