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.
Silver Surfer was unlocked as a playable hero.
Attained Gold on all Comic Missions.
Completed a level with at least 1 other player.
Completed 25 levels with at least 1 other player.
Completed 1 level with 3 other players.
Completed 25 levels with 3 other players.
Unlocked all the outfits for every hero.
Won 100 Arcade Mode Levels.
Beat Marvel: Ultimate Alliance in Hard Mode.
Threw 500 enemies off a ledge.
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.
Defeated 4000 enemies.
Black Panther was unlocked as a playable hero.
Daredevil was unlocked as a playable hero.
Nick Fury was unlocked as a playable hero.
Dr. Doom was utterly defeated.
The mighty Galactus was toppled.
Titannus was defeated.
Deathbird was crushed.
Gladiator was defeated.
Loki was defeated.
Threw 50 enemies off a ledge.
Ymir fell to the forces of good.
Performed 200 Finishing Moves.
Executioner and Enchantress were defeated.
Answered 150 Trivia questions correctly.
Mephisto was struck down.
Blackheart was defeated.
Performed 50 Finishing Moves.
Arcade was defeated.
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.
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.
Defeated 100 enemies.
Fin Fang Foom was defeated.
Performed 5 Finishing Moves.
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.
Doom has spoken with himself.
Magneto has spoken to Xavier.
Unlocked all the outfits for Doom.
Unlocked all the outfits for Magneto.
Unlocked all the outfits for Venom.
Unlocked all the outfits for Sabretooth.
Sabretooth has been mistaken for Wolverine.