Here is the full list of all 32 RESIDENT EVIL 3 achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.
Complete the game with an S rank on "Inferno."
Complete the game on "Inferno."
Complete the game on "Nightmare" or higher.
Complete the game with an S rank.
Complete the game on "Hardcore" or higher.
Complete the game in under 2 hours of play time.
Cause Nemesis to relinquish an item.
Unlock all safes, lockers, strongboxes, and pickable locks.
Destroy all Charlie dolls.
Read all story files.
Complete the game without opening the item box.
Complete the game using 1 or fewer recovery items.
Gather all the fuses in the warehouse within 5 minutes.
Complete the game on "Standard" or higher.
Defeat Stage 3 Nemesis.
Defeat Stage 2 Nemesis.
Follow Nicholai deeper underground.
Collect all weapons in the campaign.
Withstand the zombie siege.
Leave the clock tower plaza.
Leave R.P.D.
Defeat zombie Brad.
Make it out of downtown Raccoon City.
Defeat Nemesis on the rooftop.
Defeat two enemies with a single shot.
Place all jewels in the clock tower monument.
Expand your inventory.
Improve a weapon.
Destroy a Charlie Doll.
Craft an item.
Escape from uptown Raccoon City.
Escape from Jill's apartment building.