Marvel- Ultimate Alliance - Platform: XBox

Cheat mode:
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Enter one of he following codes at the indicated screen to activate the 
corresponding cheat function:

  All characters 
  At the main menu or a S.H.I.E.L.D. save zone menu, quickly press Up(2), 
  Down(2), Left(3), Start to unlock all characters. If you entered the code 
  correctly, you will hear a sound.

  All powers 
  At the main menu or a S.H.I.E.L.D. save zone menu, quickly press Left, Right, 
  Left, Right, Up, Down, Up, Down, Left, Right, Start to unlock all powers. If 
  you entered the code correctly, you will hear a sound.

  All costumes 
  At the main menu or a S.H.I.E.L.D. save zone menu, quickly press Up, Down, Up, 
  Down, Left, Right, Left, Right, Up, Down, Start to unlock all costumes. If you 
  entered the code correctly, you will hear a sound.

  All cinematics 
  At the Review menu, quickly press Up, Left(2), Up, Right(2), Up, Start to 
  unlock all cinematics.

  All comic book covers 
  At the Review menu, quickly press Left, Right(2), Left, Up(2), Right, Start to 
  unlock all comics.

  All concept art 
  At the Review menu, quickly press Down(3), Right(2), Left, Down, Start to 
  unlock all concept art.

  All wallpapers 
  At the Review menu, quickly press Up, Down, Right, Left, Up(2), Down, Start to 
  unlock all wallpapers.

  The Courses 
  At the simulator terminal screen where you choose a Comic Book mission, 
  quickly press Up, Right, Left, Down, Up, Right, Left, Down, Start to unlock 
  The Courses.

  Play as Daredevil 
  Go to a S.H.I.E.L.D. save zone and select "Change Team". Delete all selected 
  characters by pressing X. Once all of your team slots are empty, quickly press 
  Left(2), Right(2), Up, Down, Up, Down, Start to unlock Daredevil. If you 
  entered the code correctly, you will hear a sound. Note: This code may also be 
  enabled at the main menu. Alternately, collect the five Daredevil action 
  figures (one is found in each Act).

  Play as Silver Surfer 
  Go to a S.H.I.E.L.D. save zone and select "Change Team". Delete all selected 
  characters by pressing X. Once all of your team slots are empty, quickly press 
  Down, Left(2), Up, Right, Up, Down, Left, Start to unlock Silver Surfer. If 
  you entered the code correctly, you will hear a sound. Note: This code may 
  also be enabled at the main menu. Alternately, complete all Comic missions.

  Invincibility 
  While playing the game, quickly press Up, Down, Up, Down, Up, Left, Down, 
  Right, Start.

  Level 99 team 
  At the team menu, quickly press Up, Left, Up, Left, Down, Right, Down, Right, 
  Start.

  100,000 Gold Coins 
  At the team menu, quickly press Up(3), Left, Right, Left, Start.