Full list of all 58 Marvel: Ultimate Alliance 2 achievements worth 1,250 gamerscore.
The base game contains 50 achievements worth 1,000 Gamerscore, and there is 1 DLC pack containing 8 achievements worth 250 Gamerscore.
Collected 200 Team Boosts.
Defeated all Act II and III missions as an Anti-Registration team.
Defeated all Act III missions on Legendary Difficulty.
Performed all Fusions by combining every available pairing of 24 heroes.
Defeated all Act II missions on Legendary Difficulty.
Defeated Iron Man.
Rescued captured heroes from the convoy.
Defended Cable's base from invasion.
Collected 125 Team Boosts
Unlocked 23 alternate costumes.
Earned all Trivia rewards.
Defeated all Act I missions on Legendary Difficulty.
Performed all 5 recommended training Fusions in Latveria.
Completed 24 maps in Co-Op
Completed 8 maps in Co-Op
Performed 10 Fusions with another player-controlled hero in a Co-Op game.
Completed all combat mastery goals.
Earned 20 high scores for each type of Fusion: Targeted, Guided, and Clearing.
Performed 10 revivals.
Earned 12 Gold Medals from Simulator Missions.
Earned 8 Silver Medals from Simulator Missions.
Earned 4 Bronze Medals from Simulator Missions.
Defeated 12 mission bosses on Super Heroic or Legendary Difficulty without revival or map reload.
Defeated all Act II and III missions as a Pro-Registration team.
Sent the shutdown signal.
Collected 30 Audio Logs.
Collected 10 Concept Art Bundles in HQ maps.
Broke the siege of Wakanda.
Defeated 25 maps on Super Heroic or Legendary Difficulty without revival or map reload.
Collected 125 Dossiers.
Completed all optional mission objectives.
Escaped Prison 42 with the goods.
Agreed to help Fury.
Defeated Captain America.
Collected 50 Team Boosts.
Protected the prison convoy from an ambush.
Completed all Power training goals.
Captured the unregistered heroes in Jersey City.
Completed all melee training goals.
Completed a map in Co-Op
Earned Mission Succeeded on a Simulator Mission in Co-Op.
Scored 30 Trivia Fusions.
Correctly answered 15 Trivia questions.
Had 10 special conversations between characters with a history while in an HQ map.
Chose a side in Civil War.
Defeated Titanium Man.
Defeated cyborg Von Bardas.
Destroyed Castle Doom.
You or other players on your team have destroyed 250 health containers.
Destroyed Doom's Statue.
Completed "Insidious Alliance" with all four heroes alive.
Progressed through "Insidious Alliance" without breaking any Health Containers.
Defeated 2 foes within 10 seconds in "Insidious Alliance."
Defeated 75 foes in "Balance."
Threw all the proximity mines in "Balance."
Completed "Escort Duty" without disabling any floor hazards.
Completed "Escort Duty" without destroying any turrets.
Defeated "Overload" with the X-Men.