Download Free Combat & War Games
"America's Army: Operations RECON"
This free sim game was designed by the Army. With realistic gameplay, and great multiplayer features, you won't want to miss it.
BZFlag is a multiplayer 3D tank battle game, designed for multiple operating systems.
Dink Smallwood is one my favorite free sim games. It is similiar to Zelda, and has hours of gameplay!
"The General" is a free military strategy game that starts out with 2 to 20 states. Your goal is to unite the states by conquering them.