Batman: Vengeance

Unlimited Batarangs and Electric Batarangs
At the Main Menu, perss L1, R1, L2, R2.

Get all cheats:
At the Title screen, press L2, R2, L2, R2, Square, Square, Circle, Circle

Unlock all power moves:
At the Title screen, press L1, L1, R2, R2, L2, R2, L1, R1.

Unlock the Batlauncher:
At the Title screen, press Circle, Square, Circle, Square, L1, R1, L2, R2.

Infinite Handcuffs:
At the Title screen, press Square, Circle, Square, Circle, L2, R2, R2, L2.