Type the following codes into the in-game Intex computers for different effects.

Code - Effect

KATRINA HAS FARTED AND ITS A BEAUTY - Aliens disappear
KNACKERED JOYSTICK - Controls reversed
JUST CALL ME MOGGY - Extra lives
ALIENS ARE BENDERS - Infinite energy
KEY TO THE CITY - Infinite Keys
JESUS THIS JIM BEAM IS GOOD STUFF - Infinite life
BANK RAID - Lots of money
SALMAN RUSHDIE PLAYS ALIEN BREED - Makes you invisible
IWANTFISH, then click ABORT INTEXT SYSTEM and when the normal screen comes up press F9. - Walk through walls