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