Full list of all 58 Marvel: Ultimate Alliance achievements worth 1,250 gamerscore.
The base game contains 46 achievements worth 1,000 Gamerscore, and there are 2 DLC packs containing 12 achievements worth 250 Gamerscore.
Beat Marvel: Ultimate Alliance in Hard Mode.
Won 100 Arcade Mode Levels.
Won 20 Arcade Mode Levels.
Won 15 Arcade Mode levels consecutively.
Won 3 Arcade Mode levels consecutively.
Attained Gold on all Comic Missions.
Silver Surfer was unlocked as a playable hero.
Completed Skrull Cityscape level without defeating a single enemy.
Threw 500 enemies off a ledge.
Completed 25 levels with 3 other players.
Completed 25 levels with at least 1 other player.
Completed 1 level with 3 other players.
Won 1 Arcade Mode Level.
Unlocked all the outfits for every hero.
Defeated 4000 enemies.
Completed a level with at least 1 other player.
Daredevil was unlocked as a playable hero.
Black Panther was unlocked as a playable hero.
Nick Fury was unlocked as a playable hero.
Dr. Doom was utterly defeated.
Answered 150 Trivia questions correctly.
The mighty Galactus was toppled.
Titannus was defeated.
Deathbird was crushed.
Gladiator was defeated.
Answered 20 Trivia questions correctly in a row.
Loki was defeated.
Ymir fell to the forces of good.
Executioner and Enchantress were defeated.
Mephisto was struck down.
Blackheart was defeated.
Threw 50 enemies off a ledge.
Arcade was defeated.
Answered 15 Trivia questions correctly.
Performed 200 Finishing Moves.
The evil Mandarin was crushed by the forces of good.
Grey Gargoyle was defeated.
The mighty Kraken was defeated.
Tigershark and Attuma were defeated.
M.O.D.O.K was defeated.
Threw 5 enemies off a ledge.
Performed 50 Finishing Moves.
Defeated 100 enemies.
Performed 5 Finishing Moves.
Fin Fang Foom was defeated.
Defeated 10 enemies.
Cyclops has spoken with Jean.
Unlocked all the outfits for Hawkeye.
Unlocked all the outfits for Nightcrawler
Unlocked all the outfits for Cyclops.
Unlocked all the outfits for the Hulk.
Sabretooth has been mistaken for Wolverine.
Unlocked all the outfits for Venom.
Doom has spoken with himself.
Unlocked all the outfits for Doom.
Unlocked all the outfits for Sabretooth.
Unlocked all the outfits for Magneto.
Magneto has spoken to Xavier.