Delta Force
PC
Press ~ to enter the console. Now type in the following codes: 
iwillsurvive 			- God Mode 
takeittothelimit 		- Ammo Reload     
hitmewithyourbestshot 		- Expert CPU
raindropskeepfallinonmyhead 	- Allows call for Artilley Shells. Re-enter for more.
closetoyou 			- Invisibility