Overview

Command & Conquer: Tiberium Alliances is a military science fiction massively multiplayer online real time strategy video game developed by EA Phenomic and published by Electronic Arts as a free-to-play online-only browser game The game entered its open beta stage on March 15, 2012 and its official release was on May 24, 2012 requiring an Origin account to play.

You probably know how whole Command & Conquer franchise has been ruined by release of Command & Conquer 4:Tiberian Twilight.
After final, fourth part of CnC, it was dead and burried by Electronic Arts.
In the meanwile, on request of so many players who wanted new CnC game, Command & Conquer:Tiberium Alliances was born.
Link to game: CnC:Tiberium Alliances.