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