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