The first of two planned C&C games for 2012 (Generals 2 being the other), Tiberium Alliance is free to play and looking for conscripts:
Players harvest valuable resources, foster strategic alliances and engage in relentless battles as they strive for world domination. With in-game news and status feeds, players get frequent updates, creating a completely interactive and dynamic gameplay experience that has gamers strategizing, reacting, and adapting on the spot. The Open Beta goes live today globally at www.tiberiumalliances.com.
And it's only getting bigger. Over the next few months, the browser-based MMO will be including cloud saves and cross platform support that will allow your game to continue from desktop to tablet- and even your smartphone.