Feed the cow 5 times.
Inspect all books.
Collect all badges.
Fire a cannonball in the ocean.
Collect all keys.
Become an engineer...?
Play a song.
Collect one key.
Complete the first machine.
Inspect 16 objects.
Stay underwater for a long time.
Collect one badge.
Inspect 8 objects.
Go to the watchtower.
Play all songs.
Inspect a book.
Run for a long time.
Complete the second machine.
You can't escape!
Find Shanes’s Mom Letter.
Complete the third machine.
Find the moon pamphlet.
Find the secret ending.
Escape from the Gideon.