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