Halo Online will launch this spring, only in Russia. It's designed to run well on lower-end PCs. There's no campaign mode, but the game is set on a secret UNSC space station called "Anvil" where Spartans train together and test new technology.

Microsoft today announced Halo Online, a PC-exclusive free-to-play title that will launch in Russia only. Click to enhance. The development of the game will be handled by Saber Interactive, who previously helped develop Halo: Combat Evolved Anniversary edition and the recently released, Halo: The Master Chief Collection. 343 Industries will oversee the project. Halo Online will be based after the events of Halo 3. It will feature classic weapons and vehicles from previous Halo games, as well as a bout of fan favorite maps. The game will be powered by a modified version of the Halo 3 engine. As of yet, Microsoft has no plans to release the game outside of Russia.

Halo Online for PC announced - in Russia Only Though