Allegiance is a team-oriented online multiplayer space combat simulation with real-time strategy (RTS) elements. Allegiance distinguishes itself by having a strategy interface that demands teamwork in order to accomplish anything. You pilot spacecraft, flying in a team with other players, defending and attacking sectors in space. Allegiance challenges your tactical ingenuity, your ability to function in a team and your prowess at blowing stuff up. Experienced players take command and lead their teams to victory or defeat.
Official Website: http://www.freeallegiance.org/