Justice League Heroes
Cheat mode:
Press Start to pause game play. Then, hold L + R and press Down, Left,
Up, Right to enable cheat mode. This will allow the other codes to be
activated, as well as unlock all costumes.
Invincibility:
Press Start to pause game play. Then, hold L1 + L2 + R1 + R2 and
press Left, Down, Right, Up, Left, Down, Right, Up.
Unlimited Superpower:
Press Start to pause game play. Then, hold L + R and press Down(2)
Right(2), Up(2), Left(2).
Maximum abilities:
Press Start to pause game play. Then, hold L + R and press Right,
Down, Right, Down.
35 random boosts:
Press Start to pause game play. Then, hold L + R and press Left,
Right, Left, Right.
20 shields:
Press Start to pause game play. Then, hold L + R and press Up(2),
Down(2).
