Go out from Exit 8.
Beat the game without making a single mistake.
Stare at the middle-aged man for 5 seconds while he's standing still.
Stare at the person peeking at you from behind a door for 5 seconds.
Walk 10,000 steps.
Beat the game within 5 minutes.
Go outside with the stairs anomaly at Exit 0.
Find 10 anomalies.
Find 20 anomalies.
Find all anomalies.