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.
Read all story files.
Destroy all Charlie dolls.
Complete the game on "Inferno."
Complete the game with an S rank on "Inferno."
Complete the game on "Nightmare" or higher.
Complete the game on "Hardcore" or higher.
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 with an S rank.
Complete the game in under 2 hours of play time.
Defeat two enemies with a single shot.
Defeat zombie Brad.
Place all jewels in the clock tower monument.
Complete the game on "Standard" or higher.
Defeat Stage 3 Nemesis.
Defeat Stage 2 Nemesis.
Follow Nicholai deeper underground.
Unlock all safes, lockers, strongboxes, and pickable locks.
Collect all weapons in the campaign.
Withstand the zombie siege.
Leave the clock tower plaza.
Leave R.P.D.
Make it out of downtown Raccoon City.
Destroy a Charlie Doll.
Defeat Nemesis on the rooftop.
Cause Nemesis to relinquish an item.
Expand your inventory.
Improve a weapon.
Craft an item.
Escape from uptown Raccoon City.
Escape from Jill's apartment building.