Finish the game with rank S.

Break free of a Cerberus while they are biting you or trying to push you down.

Finish Leech Hunter with rank A.

Defeat Queen Leech.

Read all files.

Change into a costume.

Complete the factory.

Complete the laboratory.

Defeat Mimicry Marcus with a Molotov Cocktail or a Napalm Grenade.

Get picked up by the Infected Bat.

Play the piano using Rebecca.

Shoot down a Hunter or an Eliminator while they are jump attacking in the air.

Searched 15 surrendered imperial soldiers.