Incredible Hulk

Cheat mode:
Press Down, Right, A, B at the "Options" menu. The screen will refresh to confirm correct code entry. Start a new game or press Select to pause game play to display the level selection screen. Pause game play and press L to lower your health (and transform) or R for full health.

Hidden moves:Flying Shoulder Slam: Hold L or R and press Left or Right.

Pile Driver: Press Y + B after grabbing an opponent.
Super Clap: Press X + A with more than half life.