CLLTHTNMTN and this will make the game with low-res graphics and bad animation.

PURDY COLORS

(actual name) Enter: LLTHCLRSFTHRNB (Ladys Love THe CoLoRs oF THe RaiNBow) and certain walls and trees will be colored different.

SHOW ENEMIES

Enter: NSTHMNDNT to be able to see the enemies on your map.

COOL CHEAT

Enter DNCHN To get little enemies and credits!!! It is so cool little raptors the size of rats and the people sound funny with high pitched voices!

LOTS AGAIN

Enter: GRGCHN at the code screen. Has the same effect as the one below except invincibilty

LOTS TOGETHER!!

Enter: RBNSMTH this code gives you CREDITS, UNLIMITED AMMO, BIG HEADS(cool), ALL GUNS, INVICIBILTIY!!

WEAPONS

You like a bug arsenal of weapons that make huge explosions?? Here you can have them all: CMGTSMMGGTS (Come Get Some Maggots) enter this at the code screen!!

AMMO

Got all those guns but they rungame with low-res graphics and bad animation. Enter the code blltssrrfrnd

Infinite Lives

Enter the code frthsthttrlsck

The BIG Cheat

Enter the code NTHGTHDGDTDTRK (Also reported as NTHGTHDGDCRTDTRK). You now can go to the menu and activate cheats

Pen & Ink Mode

Enter the Code dlktdr

Fly Mode

Enter in LKMBRD this will let you fly
you can only use the weapon you had last before you turn the cheat on

Underwater On Land Glitch

Start out at the first level. When you reach the bridge , jump in the water below.
Go to the enter cheat screan, and type in LKMBRD, this puts in fly mode.
Go to the cheat menu screan, and activate fly mode.
Then go to continue game. When back underwater , press R to go up
out onto land. BUT YOU'LL STILL BE UNDERWATER!

Disco Mode

Type in SNFFRR and your enemies will dance their heart-- even the bosses. If you hate people who do disco, this is your chance to blow them away!!