BACKROOMS [HORROR] | MAP CODE: 7534-1143-0351

Full guide in map: 7534-1143-0351 BACKROOMS [HORROR]
Time codes for your convenience:

Part 1:

1 part of the code: 1:15
2 part of the code: 2:13
3 part of the code: 4:02
4 part of the code: 4:19
FULL CODE: 4:20

Part 2: Library

Hidden Button 1: 4:41
Hidden Button 2: 5:06
Hidden Button 3: 5:42
Hidden Button 4: 6:20
Hidden Button 5: 6:41
Hidden Button 6: 7:41
Hidden Button 7: 8:17
Hidden Button 8: 9:18
Hidden Button 9: 10:02
Hidden Button 10: 10:22
Hidden Button 11: 10:41
Hidden Button 12: 11:07
Hidden Button 13: 11:36
Hidden Button 14: 11:45
Hidden Button 15: 12:05
Hidden Button 16: 12:53
Hidden Button 17: 13:11
Hidden Button 18: 13:58
Hidden Button 19: 14:58
Hidden Button 20: 15:16

Secret Room 1: 7:01
Secret Room 2: 9:46
Secret Room 3: 10:53
Secret Room 4: 11:27

Part 3: Pool Day

1 lever: 16:11
2 lever: 16:32
3 lever: 16:43

A riddle with a house: 17:34

Part 4: Only....Up?

Mysterious text: 19:09

If I've helped you, then put a like)