Justice League Action Figures

At the pause menu, hold down all 4 L and R buttons
Cheat Effect
Downx2, Rightx2, Upx2, Leftx2 Unlimited Energy
Down, Left, Up, Right Unlock everything
Right,Down,Right,Down Maximum Abilities
Left, Right,Left,Right 35 Random Boosts
Upx2, Downx2 20 Shields
During gameplay press ‘Start’ to pause the game then hold L1 + L2 + R1 + R2 and press Down, Left, Up, Right. This will enable the other codes to be activated and unlocks ALL costumes.
Unlock Unlimited Superpower:
During gameplay press ‘Start’ to pause the game then hold L1 + L2 + R1 + R2 and press Down, Down, Right, Right, Up, Up, Left, Left.
Unlock Maximum Abilities:
During gameplay press ‘Start’ to pause the game then hold L1 + L2 + R1 + R2 and press Right, Down, Right, Down.
Unlock 20 Shields:
During gameplay press ‘Start’ to pause the game then hold L1 + L2 + R1 + R2 and press Up, Up, Down, Down.
Unlock 35 Random Boosts:
During gameplay press ‘Start’ to pause the game then hold L1 + L2 + R1 + R2 and press Left, Right, Left, Right.
During gameplay collect the little orange shields to exchange for characters and alternate costumes. Press the ‘Select’ button to get to the menu. Heroes can only be chosen when the game allows you to and costumes are changed by pressing the Square button.
Heroes
Aquaman – 27 Shields
Huntress – 53 Shields
Green Lantern-Kyle Rayner – 55 Shields
Hawkgirl – 70 Shields
Green Arrow – 76 Shields
Green Lantern-Hal Jordan – 84 Shields
Alternate Costumes
Martian Manhunter True Form – 15 Shields
Flash Jay Garrick – 21 Shields
Green Lantern Retro – 23 Shields
Zatanna Classic Blue – 25 Shields
Martian Manhunter Modren – 29 Shields
Green Lantern Bold – 30 Shields
Superman Black Recovery Suit – 32 Shields
Zatanna Identity Crisis – 38 Shields
Wonder Woman Toga – 44 Shields
Flash Walter West – 48 Shields
Batman Clasic Blue – 59 Shields
Wonder Woman Biker Style – 61 Shields
Superman Earth 2 – 65 Shields
Batman Infiltration Suit – 74 Shields
Superman Kandor – 91 Shields
hope this helps