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