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