Full list of all 44 Resident Evil achievements worth 1,000 gamerscore. It takes around 15-20 hours to unlock all of the achievements on Xbox 360.
Save Chris using Rebecca.
Visit all places on all maps.
Finish the game in Real Survival mode.
Finish the game using only your knife (no lighter, Defensive Items, and stomping zombie heads).
Finish the game in Invisible Enemy mode.
Obtain all costumes.
Finish the game on Hard difficulty.
Finish the game without saving anyone using Chris.
Finish the game with Jill and Chris.
Finish the game without saving.
Finish the game using Chris.
Finish the game saving Rebecca and Jill using Chris.
Save Jill from confinement using Chris.
Defeat Lisa Trevor using Chris.
Obtain all weapons (must load grenade launcher with all shell types).
Save Rebecca from a Hunter.
Obtain the "Last Book Vol. 2" using Chris.
Defeat Plant 42 using Chris.
Obtain the Stone & Metal Object using Chris.
Survive your first encounter with Yawn.
Finish the game in three hours.
Finish the game saving Chris and Barry using Jill.
Save Chris from confinement using Jill.
Save Barry from Lisa Trevor.
Finish the game on Very Easy difficulty or higher.
Finish the game on Easy difficulty or higher.
Finish the game on Normal difficulty or higher.
Finish the game in five hours.
Finish the game using Jill.
Finish the game without saving anyone using Jill.
Break into the laboratory using Jill.
Defeat Black Tiger.
Defeat Yawn using Jill.
Defeat a Hunter.
Obtain the Helmet Key using Jill.
Defeat mother Neptune.
Defeat a Crimson Head prototype1 using Jill.
Burn up two zombies at the same time with the lighter.
Die for the first time.
Defeat a Crimson Head.
Save Richard with a serum.
Burn up a zombie.
Save Jill using Barry.
Defeat a zombie.