Reach Checkpoint I.
Reach Checkpoint II.
Reach Checkpoint III.
Reach Checkpoint IV.
Reach Checkpoint V-A.
Reach Checkpoint V-B.
Unlock both "Bad Ending" and "Good Ending".
Do only wrong actions during the breakfast mini-game three times in a row.
While looking for a way to enter the Bathroom, read all of your exams' notes.
Talk 3 times to the man while he’s working before leaving his place.
Unlock the Secret Ending.
Access the Explore Mode.
Interact with ALL the points of interest in the Explore Mode.
Check the Bathroom’s shower before going up.
Find the authors of the game working in the Explore Mode.