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