Here is the full list of all 31 Oxide Room 104 achievements.
Get to the motel's third floor.
Find the way to the exit.
Get out of 104 without forcing anything open or hurting yourself.
Heal Matthew after being poisoned.
Open a lock with a pick.
Wait for the right time in the storage room.
Escape from Evil to get to the storage room.
Get out of room 104.
Get out of room 104's bathroom.
Use some bandages to stabilize Matthew.
Force open a chest or door.
Play the entire song.
Get out of the room on the third floor.
Go into the common areas.
Go through the common areas to get to reception.
Avoid Evil in reception.
Get out through the restaurant.
Get out of the kitchen alive.
Go out through the door in reception.
Escape from Doc and try to get out of the motel.
Use the shovel to find one of the keys.
Don't use the fireplace in the restaurant.
Trap Doc in the elevator.
Complete the game cycle without using bullets.
Try all the endings.
Get out of the motel alive.
Find all Eva's documents.
Find all Evil's documents.
Find all Matthew's documents.
Find all Doc's documents.
Explore all the rooms.