Master Unlock Code:
Pause the game. Hold all four shoulder buttons and press Down, Left, Up, Right.
Invincibility:
Pause, then hold L1 + L2 + R1 + R2 and press Left, Down, Right, Up, Left, Down, Right, Up.
Unlimited Superpower:
Pause, then hold L1 + L2 + R1 + R2 and press Down, Down, Right, Right, Up, Up, Left, Left.
Maximum abilities:
Pause, then hold L1 + L2 + R1 + R2 and press Right, Down, Right, Down.
35 random boosts:
Pause, then hold L1 + L2 + R1 + R2 and press Left, Right, Left, Right.
20 shields:
Pause, then hold L1 + L2 + R1 + R2 and press Up, Up, Down, Down
Unlimited Energy:
Pause the game. Hold all four shoulder buttons and press Down, Down, Left, Left, Up, Up, Right, Right
Bonus heroes
The following characters can be unlocked by spending the indicated amount of Justice
League of America shields that can be collected during game play.
Bonus heroes
The following characters can be unlocked by spending the indicated amount of
Justice League of America shields that can be collected during game play.
| Unlock | How to Unlock |
| Aquaman | 27 shields |
| Green Arrow | 76 shields |
| Green Lantern (Hal Jordan) | 84 shields |
| Green Lantern (Kyle Rayner) | 55 shields |
| Hawkgirl | 70 shields |
| Huntress | 53 shields |
Alternate costumes
The following characters can be unlocked by spending the indicated amount of
Justice League of America shields that can be collected during game play.
| Unlock | How to Unlock |
| Batman (Batman Beyond infiltration suit) | 74 shields |
| Batman (classic blue) | 59 shields |
| Flash (Jay Garrick) | 21 shields |
| Flash (Walter West) | 48 shields |
| Green Lantern (bold) | 30 shields |
| Green Lantern (retro) | 23 shields |
| Martian Manhunter (modern) | 29 shields |
| Martian Manhunter (true) | 15 shields |
| Superman (black recovery suit) | 32 shields |
| Superman (Earth 2) | 65 shields |
| Superman (Kandor) | 91 shields |
| Wonder Woman (biker) | 61 shields |
| Wonder Woman (toga) | 44 shields |
| Zatanna (classic blue) | 25 shields |
| Zatanna (Identity Crisis) | 38 shields |
Completion bonuses
Successfully complete the game to unlock the "Continued Play" option (to
allow a
new game to be started with all previous stats and items unlocked" and
an alternate main menu background (with characters from the game).
Challenge Missions
Just finish the game on Medium difficulty to unlock some bonus missions.
This time you can select any character.
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