Free Space Combat Game
"... a remarkable and intriguing blend of the space fighter and RTS genres." -IGN
Allegiance is an online team-based space combat sim. You are a unit in a real time strategy game. Team commanders purchase upgrades, communicate tactics, and direct miners & base constructors.
Furious FPS Combat
FREE Online Multiplayer
Created by Microsoft
Microsoft released the game’s source code under a MIT license and the community has continued developing Allegiance.