You managed to make your life a living hell
Use any vending machine found in The Backrooms.
Discover something new in Level 0
Admire the music in Level 0.2
Find the phone in Level 0
Come on, what's so interesting about it anyway?
Enter the Sub-Levels
Leave the first sub-level in an unintended way (and get sent back)
Escape Level "!"
Finish Classic Gamemode without picking up the Flashlight from Level 0.
Discover "The Fog"
Die somehow in Level 1