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.
Complete the game with an S rank on "Inferno."
Complete the game on "Inferno."
Complete the game on "Nightmare" or higher.
Cause Nemesis to relinquish an item.
Complete the game on "Hardcore" or higher.
Complete the game with an S rank.
Complete the game without opening the item box.
Complete the game using 1 or fewer recovery items.
Complete the game in under 2 hours of play time.
Defeat two enemies with a single shot.
Complete the game on "Standard" or higher.
Defeat Stage 3 Nemesis.
Defeat Stage 2 Nemesis.
Destroy all Charlie dolls.
Follow Nicholai deeper underground.
Gather all the fuses in the warehouse within 5 minutes.
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.
Defeat zombie Brad.
Make it out of downtown Raccoon City.
Defeat Nemesis on the rooftop.
Place all jewels in the clock tower monument.
Expand your inventory.
Improve a weapon.
Craft an item.
Destroy a Charlie Doll.
Escape from uptown Raccoon City.
Escape from Jill's apartment building.