Batman: Rise of Sin Tzu

Infinite Health
Pause the game, then hold L1 + L2 + R1 + R2 and press Up, Right, Down, Left, Up, Left, Down, Right.

Infinite Combo Meter
Pause the game, then hold L1 + L2 + R1 + R2 and press Left, Right, Up, Down, Right, Left, Down, Up.

All Upgrades
Pause the game, then hold L1 + L2 + R1 + R2 and press Up(2), Left(2), Right(2), Down(2).

All Bonuses
Pause the game, then hold L1 + L2 + R1 + R2 and press Down, Up, Down, Up, Left, Right, Left, Right.

Dark Knight Difficulty Setting
Pause the game, then hold L1 + L2 + R1 + R2 and press Down, Left, Right, Up(2), Right, Left, Down.

End Game Reward
Pause the game, hold L1+L2+R1+R2 and press Left, Right, Up, Down, Right, Left, Down, Up.