At the Enter Code Screen enter one of the following.

Password	Effect
BLLTSRRFRND	Unlimited Ammo
BSSNMBRN	Longhunter Warp
CHTLKDG	Level 2 Warp
CHTRSNRPRSPR	All Map
CLLTHTNMTN	Quack Mode
CMGTSMMGGTS	All Weapons
CRPCRL	Mantis Warp
DLKTDR	Pen and Ink Mode
DNCHN	Dana Mode
DNCHN	Small Enemies
FDTHMGS	Show the Credits
FJHJJ	Rhia Jam
FRTHSTHTTRLSCK	Infinite Lives
GHTTBSHMD	Level 5 Warp
GLTBNK	Amy Jam
GRGCHN	Greg Mode
GRHRNR	Gary Mode
GSHNTTBNCTPRDCRD	Big Heads
HCNLTHRSLF	Level 6 Warp
HNSHM	Level 3 Warp
JRSSCHT	T-Rex Warp
LKMBRD	Fly Mode
LKNGDNTHTLNCLTH	Campainer Warp
LLTHCLRSFTHRNB	Fancy Colors
NSTHMNDNT	Show Enemies on the Map
NTHGTHDGDCRTDTRK	Ultimate Cheat
RBNSMTH	Robin Mode
RLMNDNTCHT	Invincibility
SNFFRR	Disco Mode
STHSNCSSR	Level 7 Warp
THBST	Unlock the Gallery
THRTCRD	Level 4 Warp
THSCKSTFTHSHSCK	All Keys
THSSLKSCL	Spirit Mode
THTDSTSCK	Level 8 Warp
TSKTSKTSK	Level 1 Warp