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