Reach the end of the Apartment level.
Reach the end of the School.
Reach the other side.
Reach the end of the Hospital.
Survive.
Find some notes.
Collect some butterfies.
Answer the phone.
Acquire all trophies.
Find ALL notes.
Find tons of items.
Finish the game on Nightmare difficulty.
Get the 'A' ending.
Defeat the glower.
Become a delinquent.
Collect MORE butterflies.
