During gameplay, press ESC to access the menu.  
Type DOUGMATIC several times until
it pops you back into the game.  Then type in these 
codes.


     PROTECTME       Invulnerablility

     GIVEME          All weapons

     LOADME          Unlimited ammo

     HEALME          Full health

     KILLEM          Kill enemies

     MOVEME          Gives saved games of all levels

     AGENTJ          Play Agent J

     AGENTK          Play Agent K

     AGENTL          Play Agent L

     AGENTX          Play Agent X

     ARCTIC          Arctic Level

     HQ              Go to HQ