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