ABCNEWS.com : U.S. Military Pursues Computer War Games

"Last month, the Army released its first official video game ever designed for civilians called "America's Army: Operations." Taking over two years -- and nearly $8 million -- to develop, the game is similar to popular first-person shooting games such as Doom, Quake and Counter-Strike.

But unlike many other commercial combat games, where players are rewarded for racking up tons of "virtual kills," the official Army game is designed to portray a soldier's life in a bit more realistic light, say officials."