Perform a full triple somersault dive

Check if the demon has been exorcised

Beat the game on New Game+

Don't let the rat packs bite you through the whole walkthrough

Finish the Opera Backstage

Defeat the second cyborg

Run past the panoramic windows without taking damage from the helicopter

Get the teleport disk before the guards cut the door open

Pick up all the secrets on the 13th floor, avoiding the lasers

Get through the 13th Floor level unnoticed

Before visiting the mill, pick up the secret behind the fires and survive

Collect all secrets in Ireland levels

Make the little imps run in panic