Achievements...
	Cheat mode...
	Defeating the final Boss...
	Easy Attitude points...
	New Game+ mode...
	Special conversations...
	Team bonuses...

Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
A House Divided ( 20 points )	Defend your leaders.
A More Perfect Union ( 10 points )	Finish what you started.
Above and Beyond ( 50 points )	Collect 200 Team Boosts.
All Options on the Table ( 20 points )	Defend a convoy.
Alliance Reborn ( 20 points )	Break and enter.
Back in Action ( 10 points )	Perform 10 revivals.
Coalition of the Willing ( 20 points )	Crash a castle.
Collateral Damage ( 20 points )	Stop a convoy.
Costume Collector ( 10 points )	Unlock 23 alternate costumes.
Decorated Veterans ( 30 points )	Complete 24 maps in Co-Op.
Defending Our Way of Life ( 20 points )	Rescue a hideout.
Distinguished Service ( 10 points )	Collect 50 Team Boosts.
Every Trick in the Book ( 30 points )	Complete all combat mastery goals listed on the Stats page.
Experienced Allies ( 15 points )	Complete 8 maps in Co-Op.
Extraordinary Heroism ( 30 points )	Collect 125 Team Boosts.
Fallen Star ( 20 points )	Ambush your opponents.
Freedom Isn't Free ( 20 points )	Raid a hideout.
Grave and Growing ( 20 points )	Free a country.
Heroes Unite ( 10 points )	Perform 10 Fusions with another player-controlled hero in a Co-Op game.
I'm With Captain America ( 30 points )	Defeat all Act II and III missions as an Anti-Registration team.
I'm With Iron Man ( 30 points )	Defeat all Act II and III missions as a Pro-Registration team.
If You're Not With Us ( 10 points )	Choose a side.
Immortal Heroics ( 50 points )	Defeat 25 maps on Super Heroic or Legendary Difficulty without revival or map reload.
Iron and Blood ( 20 points )	Fight back an ambush.
Knowns and Unknowns ( 10 points )	Repay a favor.
Legendary Alliance ( 30 points )	Defeat all Act III missions on Legendary Difficulty.
Legendary Schism ( 20 points )	Defeat all Act I missions on Legendary Difficulty.
Legendary War ( 30 points )	Defeat all Act II missions on Legendary Difficulty.
Listening In ( 20 points )	Collect 30 Audio Logs.
Melee Training ( 10 points )	Complete all melee training goals listed on the Stats page.
Mission Accomplished ( 5 points )	Topple a dictator.
Oceans No Longer Protect Us ( 20 points )	Protect a city.
Old Friends ( 10 points )	Have 10 special conversations between characters with a history while in an HQ map.
Potential Evidence ( 10 points )	Collect 10 Concept Art Bundles in HQ maps.
Power Training ( 15 points )	Complete all Power training goals listed on the Stats page.
Powers of Two ( 50 points )	Perform all Fusions by combining every available pairing of 24 heroes.
Rookie Squad ( 10 points )	Complete a map in Co-Op.
Seek and Destroy ( 15 points )	Complete all optional mission objectives.
Sim Amateur ( 10 points )	Earn 4 Bronze Medals from Simulator Missions.
Sim Champion ( 30 points )	Earn 12 Gold Medals from Simulator Missions.
Sim Expert ( 15 points )	Earn 8 Silver Medals from Simulator Missions.
Sim Team-Up ( 5 points )	Earn Mission Succeeded on a Simulator Mission in Co-Op and return to the Simulator menu.
Superior Intel ( 20 points )	Collect 125 Dossiers.
Tactical Training ( 10 points )	Perform all 5 recommended training Fusions in Latveria.
Trivia Buff ( 10 points )	Correctly answer 15 Trivia questions.
Trivia Genius ( 30 points )	Earn all Trivia rewards.
Trivia Team-Up ( 15 points )	Score 30 Trivia Fusions.
Uncontained Aggression ( 15 points )	You or other players on your team must destroy 250 health containers.
Undefeated Heroes ( 30 points )	Defeat 12 mission bosses on Super Heroic or Legendary Difficulty without revival or map reload.
United We Stand ( 30 points )	Earn 20 high scores for each type of Fusion: Targeted, Guided, and Clearing.

Quickly enter one of the following codes at the indicated screen to activate the corresponding cheat function. Note: Enabling most codes will prevent the game from being saved.

Effect	Screen	Code
Diaries	Main menu	Left, Right(2), Left, Up(2), Right, Start.
Dossier	Main menu	Down(3), Right(2), Left, Down, Start.
Fusion	Game play	Right(2), Up, Down, Up(2), Left, Start.
Heroes	Game play	Up(2), Down(2), Left(3), Start.
Hulk	Game play	Down, Left(2), Up, Right, Up, Down, Left, Start.
Jean Grey	Game play	Left(2), Right(2), Up, Down, Up, Down, Start.
Money	Hero Details menu	Up(2), Down(2), Up(3), Down, Start.
Movies	Main menu	Up, Left(2), Up, Right(2), Up, Start.
Power	Game play	Up(2), Down(2), Left, Right(2), Left, Start.
Skins	Game play	Up, Down, Left, Right, Left, Right, Start.
Thor	Game play	Up, Right(2), Down, Right, Down, Left, Right, Start.

If you are having trouble defeating the final Boss in Legendary mode, try to use Storm. She is immune to his elemental attacks, thus making the battle a lot easier.

Talk to all characters in an HQ. Select the "Aggressive", "Diplomatic", or "Defensive" responses. Save the game, quit, and reload that area. Repeat all the conversations with different responses. You will add to your previously earned Attitude points.

Successfully complete the game under the Legendary difficulty setting.

You can have the following special conversations at the HQ.

As Daredevil, talk to Black Widow.
As Invisible Woman or Human Torch, talk to Mr. Fantastic.
As Jean Grey, talk to Cable.
As Spider-Man, talk to Green Goblin.
In HQ: Whitestar, talk to everyone as Captain America.
In HQ: S.H.I.E.L.D Command, speak to Mr. Fantastic as Iron Man.
In HQ: S.H.I.E.L.D Command, speak to Maria Hill as Iron Man.
In HQ: Stark Tower, speak to Iron Man as Captain America.

Use the following characters on the same team to unlock the corresponding bonus.

Team	Characters	Effect
Fantastic Four	Mr. Fantastic, Human Torch, Thing, Invisible Woman	+35% Fusion Gain