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.
Use a Green Chemical.
Put on Team Wesker costume.
Kill 50 enemies with the Death Stare at full charge.
Defeat Mimicry Marcus for the first time only using a knife.
Defeat all bosses except Centurion using Rebecca.
Obtain all weapons.
Combine every type of herb with each other.
Defeat 16 bats in the church.
Get picked up by the Infected Bat.
Read all files.
Change into a costume.
Defeat an enemy with a knife.
Collect all of only one color of Leech Charms.
Play Leech Hunter.
Finish Leech Hunter with rank A.
Finish Leech Hunter with rank E or above.
Defeat all enemies in Leech Hunter.
Complete the treatment plant.
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).
Defeat Queen Leech.
Obtain all keys and use them all.
Attack an enemy to save your partner who is grappling with that enemy.
Defeat the Proto Tyrant.
Complete the factory.
Fight off the Proto Tyrant.
Complete the laboratory.
Defeat Infected Bat.
Complete the training facility.
Play the piano using Rebecca.
Defeat Mimicry Marcus with a Molotov Cocktail or a Napalm Grenade.
Defeat an enemy by burning them.
Shoot down a Hunter or an Eliminator while they are jump attacking in the air.
Create a Custom Handgun.
Defeat a zombie by stomping on them.
Defeat an enemy with a critical-hit headshot.
Try to push something heavy with Rebecca.
Destroy a zombie's legs.
Create a Molotov Cocktail.
Defeat Centurion.
Complete the train.
Defeat Stinger.
Break free of a Cerberus while they are biting you or trying to push you down.