Justice League Heroes - PSP

Cheat mode:
Pause, then hold L + R and press Down, Left, Up, Right to enable cheat mode. This enables the other cheats and unlocks all costumes..

Invincibility:
Pause, then hold L + R and press Left, Down, Right, Up, Left, Down, Right, Up.

Unlimited Superpower:
Pause, then hold L + R and press Down, Down, Right, Right, Up, Up,Left, Left.

Maximum abilities:
Pause, then hold L + R and press Right, Down, Right, Down.

35 random boosts:
Pause, then hold L + R and press Left, Right, Left, Right.

20 shields:
Pause, then hold L + R and press Up, Up, Down, Down.