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