Note:  This cheat is also known as Men In Black-The Series-Crashdown

All weapons:-  Enter MAGICPOCKETS as a password. A sound will confirm correct code entry.

Unlimited ammunition:-  Enter UFO as a password. A sound will confirm correct code entry.

Invincibility:-  Enter R8HARD as a password. A sound will confirm correct code entry.

One shot kills:-  Enter ONESHOTSPLAT as a password. A sound will confirm correct code entry.

One hit and you are dead:-  Enter MARRYMEALECKS as a password. A sound will confirm correct code entry.

Turbo mode:-  Enter RUNSLIKETHEWIND as a password. A sound will confirm correct code entry.

Sunglasses:-  Enter TINTEDSPECS as a password. A sound will confirm correct code entry.

Blurry graphics:-  Enter MENINBLURRR as a password. A sound will confirm correct code entry.

Overhead view:-  Enter ALIENSEYEVIEW as a password. A sound will confirm correct code entry.

Gameshark Codes

Infinite Health 800EFF5C 0064 
Infinite Ammo 80044886 2400 
Have All Levels 800955EC FFFF   800955EE FFFF