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