Here is the full list of all 47 Resident Evil 0 achievements. It takes around 40-50 hours to unlock all of the achievements on Windows.
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Defeat Mimicry Marcus for the first time only using a knife.
Obtain all weapons.
Defeat all enemies in Leech Hunter.
Finish Leech Hunter with rank A.
Finish the game on Hard difficulty.
Finish the game without saving.
Finish Leech Hunter with rank E or above.
Collect all of only one color of Leech Charms.
Play Leech Hunter.
Use a Green Chemical.
Combine every type of herb with each other.
Kill 50 enemies with the Death Stare at full charge.
Destroy a zombie's legs.
Defeat 16 bats in the church.
Defeat an enemy with a knife.
Put on Team Wesker costume.
Finish the game without using a First-Aid Spray.
Finish the game without using a recovery item (including Green Chemicals).
Defeat all bosses except Centurion using Rebecca.
Finish the game without combining herbs.
Break free of a Cerberus while they are biting you or trying to push you down.
Complete the treatment plant.
Finish the game with rank S.
Defeat Queen Leech.
Obtain all keys and use them all.
Defeat the Proto Tyrant.
Complete the factory.
Fight off the Proto Tyrant.
Complete the laboratory.
Defeat a zombie by stomping on them.
Defeat Infected Bat.
Get picked up by the Infected Bat.
Complete the training facility.
Play the piano using Rebecca.
Create a Custom Handgun.
Shoot down a Hunter or an Eliminator while they are jump attacking in the air.
Try to push something heavy with Rebecca.
Attack an enemy to save your partner who is grappling with that enemy.
Defeat Centurion.
Defeat Mimicry Marcus with a Molotov Cocktail or a Napalm Grenade.
Defeat an enemy by burning them.
Complete the train.
Defeat an enemy with a critical-hit headshot.
Create a Molotov Cocktail.
Defeat Stinger.
Change into a costume.