Batman and Robin Cheats

Invincibility:
Press L1, R2, R1, L2, Select, X, Circle at the title screen.

GameShark Codes

Extra Health
8009df640000
8009df680000
8009df6c0000
800d07180064

Infinite Power
800cf50c0168

Have Max Stamina
800CF5049632

Have Max Stamina
800cf5069632

Infinite Health
300cf50e0064

Have All Weapons  
800cf510ffff

Have All Tools   
800cf5120f0f
800cf514ffff

Infinite Ammo (at pick_up)  
80094d9a30c2

Thanks to Revolution readers Ian Ronan A. Viray-KIT, King Archer and John Perez!