ID DQD - God Mode 
ID KFA - Get All Keys and Full Ammo 
ID FA - Get Full Ammo without getting the keys
ID DT - FULL MAP AND LOCATIONS OF ENEMIES (2X) 
ID BEHOLD I - PARTLY INVISIBLE 
ID BEHOLD R - TOXIC RESISTENT 
ID BEHOLD V - INVERT VIEW 
ID BEHOLD S - RED TOUCH 
ID BEHOLD L - LIGHT 
ID SPISPOPD - Walk through walls
ID CHOPPERS = Get Chainsaw 
ID DT = Show Full Map 
ID MYPOS = Get Coordinates 

IDCLEV#a#b Takes you to new location (#a is 1, 2 or 3 is episode #, 
#b is page# 1-9) ie. IDCLEV28 takes you to Episode 2, Page 8 

-DEVPARM Put system into Developer Mode 

    Source: geocities.com/siliconvalley/vista/4146

               ( geocities.com/siliconvalley/vista)                   ( geocities.com/siliconvalley)