Deer Hunter 2005 [cheats] 
A single-player map must be loaded before these cheats will work. Press the [~] (Above the TAB key) key while playing then type "/cheat CODE" where CODE equals the cheat code you want to enter. Enter the same code again to deactivate the cheat. 

Code - Effect 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
aliens - Show All Animals on GPS 
daredevil - Prey Becomes Passive 
matrix - Unknown Effect 
rainman - Make it Rain 
shine - Sun Shines Brighter 
theflash - Move Super Fast