Defeat an enemy with a critical-hit headshot.
Earn all trophies.
Finish the game without using a First-Aid Spray.
Finish the game without using a recovery item (including Green Chemicals).
Defeat an enemy by burning them.
Defeat a zombie by stomping on them.
Create a Molotov Cocktail.
Change into a costume.
Attack an enemy to save your partner who is grappling with that enemy.
Defeat an enemy with a knife.
Destroy a zombie's legs.
Read all files.
Obtain all keys and use them all.
Combine every type of herb with each other.
Obtain all weapons.
Try to push something heavy with Rebecca.
Finish the game with rank S.
Finish the game on Hard difficulty.
Finish the game without combining herbs.
Finish the game without saving.
