Halo Online would have been optimized for keyboard and mouse controls. Fan favorite multiplayer maps were to return, along with several new maps-one of which was set in a Russian town. Several new weapons were also to be implemented into the game. Halo Online was to include 'classic weapons and vehicles' from the Halo franchise, including the Hornet and the energy sword. Visual Intelligence System, Reconnaissance.The game is set on a secret UNSC space installation called Anvil, where SPARTAN-IV and Sangheili soldiers train together in simulated war exercises to sharpen their battle skills and test experimental technology. Halo Online takes place shortly after the events of Halo 3 around January 28, 2555.