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