Completionist
Acquire all trophies.

The Truth
Reach the end of the Apartment level.

Wake Up
Finish the game on Nightmare difficulty.

The Good One
Get the 'A' ending.

Boogeyman
Defeat the glower.

But Who Was Phone?
Answer the phone.

Troublemaker
Become a delinquent.

Butterfly Collector
Collect some butterfies.

Butterfly Expert
Collect MORE butterflies.

Note Collector
Find some notes.

Note Expert
Find ALL notes.

Released
Reach the end of the Hospital.

Survival
Survive.

Item Hoarder
Find tons of items.

Otherworld
Reach the other side.

School's Out
Reach the end of the School.