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