Enter these codes during game only (find a Game Terminal to enter them) :

SANFRAN UNLOCK in MOVIE ART : "HULK TRANSFORMED"
PITBULL UNLOCK in MOVIE ART : "HULK VS. HULK DOGS"
FIFTEEN UNLOCK in MOVIE ART : "DESERT BATTLE"
NANOMED UNLOCK in HULK UNLEASHED : "HULK MOVIE F/X"
JANITOR UNLOCK GRAY HULK (Play as the gray Hulk
immediately)


Enter these codes in Options/Code Input, then you can activate them in Options/Special Features/Cheats.:

GMMSKIN INVULNERABILTY (Hulk and Banner are invulnerable
to all damage)
FLSHWND REGENERATOR (Hulk regenerates at twice the speed)
ANGMNGT FULL RAGE METER (Rage meter is full and never
depletes)
GRNCHTR UNLIMITED CONTINUES (Number of continues never
depletes)
HLTHDSE DOUBLE HULK'S HP (Hulk's health is doubled)
BRNGITN DOUBLE ALL ENEMIES HP (Enemies' health are
doubled)
MMMYHLP HALF ALL ENEMIES HP (Enemies' health are halved)
FSTOFRY WICKED PUNCH (Instant kill with any of Hulk's
attack)
BRCESTN PUZZLE SOLVED (Puzzles are immediately solved
when encountered)
NMBTHIH RESET HIGH SCORE (Reset all High scores to
default)
TRUBLVR UNLOCK ALL LEVELS