Hulk, The

Enter these cheats at the code input screen in the Options menu:

Double Health for Enemies - BRNGITN
Double Health for Hulk - HLTHDSE
Half Enemies' HP - MMMYHLP
High Score reset - NMBTHIH
Invincibility - GMMSKIN
Level Select - TRUBLVR
Regenerator - FLSHWND
Unlimited Continues - GRNCHTR

Enter these cheats at a code terminal in the game:

Play as Gray Hulk - JANITOR
Unlock Desert Battle art - FIFTEEN
Unlock Hulk Movie FMV art - NANOMED
Unlock Hulk Transformed art - SANFRAN
Unlock Hulk vs. Hulk Dogs art - PITBULL

If you get something to throw, pick it up then jump on the roof. Jump while on the roof. If done correctly, you can blow up the helicopters.

Enter ANGMNGT on the Code Input menu to unlock this cheat. This causes the rage meter to constantly remain full.

To kill Half-Life faster, knock him into the generators.

KINGKNG - Giant Blue Gorillas as Lightposts
SUITFIT - Hulk In Suit
HISTORY - Sepia Hues
PILLOWS - Low Gravity
CLASSIC - Gray Hulk
HEALTHY - Unlimited Health