Halo Wars: Genesis is a prequel to the events in Halo Wars. It is included in the Limited Edition of the game. It reveals why Admiral Cole made the Cole Protocol and how and why Captain Cutter, Sergeant Forge, and Ellen Anders all came together for Halo Wars. It also reveals more about the past of the Arbiter in Halo Wars and how he came to be one. It also describes the first battles of the UNSC against the Covenant.