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