Based on a modified version of Halo 3's engine and will feature several classic weapons, vehicles, and maps, in addition to some new maps. One of the new maps will be set in a Russian town. Match player counts can vary between 4 and 16 players. Though the game lacks a campaign, the War Games simulations depicted take place shortly after the events of Halo 3 on a secret UNSC space station called Anvil. Here, SPARTAN-IVs train to hone their battle skills and test new technology.