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