Start the game with the "+set cheats 1 +set ui_console 1 +set thereisnomonkey 1" command line parameter. While playing a game, press ~ to display the console window, then enter one of the following codes to activate the corresponding cheat function:
Result
Cheat Code
Invincibility dog
U.S. .45 spawn weapons/US45.hag
Japanese .44 spawn weapons/JPN_44.hag
Japanese machine gun spawn weapons/JPN_Model96LMG.hag
Sub machine gun spawn weapons/type100_smg.hag
Colt .45 spawn weapons/US_Colt45.hag
Mine spawn weapons/landmine_allied.hag
Binoculars spawn items/binoculars.hag