Ghost Recon 2

Pause gameplay and go to "In-game options," then "Cheats"
and enter the following:
B, B, X, A - God mode
B, B, X, B - Team god mode
B, B, X, Y - Finish mission
B, B, X, X - Replenish ammo

Medals:
Bronze Star                  - Get 15 kills
Congressional Medal Of Honor - Get 30 kills
Distinguished Service Cross  - Get 25 kills
Purple Heart                 - Get wounded or killed in action.
Silver Star                  - Get 20 kills

 