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