Entered the second 4-digit code.
Completed floor 1 puzzles.
Entered the first 4-digit code.
Found the phone.
Entered the third 4-digit code.
Entered the fourth 4-digit code.
Read the manager's notebook in the observation room.
Completed the game.
Completed both endings.
Teleported for the first time.
Completed floor 2 puzzles.
Completed floor 3 puzzles.
Completed floor 4 puzzles.
Completed floor 5 puzzles.
Entered the fifth 4-digit code.
