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