EdgeWorld is a modern sci-fi free online strategy game city building game that is published by Kabam, the same people behind Samurai Dynasty and Global Warfare. The game puts you in the relentless war between the Ceruleans and the Galactic Union that is allied with three major factions. The three factions are the Maar Confederacy, the Erazi Syndicate and the Helio Legion.
Set in a sci-fi intergalactic warfare setting, it allows you to use real time strategy to take out your opponents. You take up the role of Commander of Cerulea in charge of base-building and military action. This game has been widely popular is is fun to play with friends so be sure to check it out.