The game will use an updated and modified version of the engine used in Halo Wars 2, with many elements from the original Halo engine added being crossed over to work with the maps and RTS game style. Like many Halo games before it, The Great War was first officially announced at an E3 two years before the game was released. The game has multiple campaigns following many of the major battles and events throughout the Human-Covenant War from the first battle at Harvest to the final battle on the Ark in 2552. It will be developed by 343 Industries and Creative Assembly and will be published by Xbox Game Studios for the Xbox Series X and Windows.ĭespite being a RTS game and having some narrative connections to Halo Wars and is also referred to by some as Halo Wars 3, it is not a continuation of the Halo Wars storyline. Halo Wars: The Great War (also dubbed as Halo: The Great War, The Great War, HWTGW, TGW and informally Halo Wars 3) is an upcoming Real-Time Strategy video game and instalment in the Halo series. ' Experience the whole war.' ―Official tagline