Bruh Ending
You finally found an exit to The Backrooms, but thanks to your backpack it takes you to Level 974 instead.
Sacrifice Ending
You and your colony are running from a bunch of entities in Level 3, but a member gets stuck on a wire. You try to help them but when they get free the entities are already too close, so you try to fight the entities off so they can get away. They escaped the entities, but you never made it out.
The End
Have you reached the end? No, it can't be the end, right?
Bruh Ending #2
You finally escaped The Backrooms, but it put you in the middle of the ocean. What are you supposed to do now?
Softlock Ending
You tried to no-clip in Level 0 to get to Level 1, but you ended up in The Void. Luckily, you just restarted the game and you ended back up in reality.