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