The upcoming Total War: Warhammer 40,000 diverges significantly from historical Total War games due to its faction structure. Unlike traditional nations, factions in this game, such as the Space Marines and Astra Militarum, are branches of the same military force.
During a demo at Gamescom, it was noted that players can command Space Marines while utilizing local planetary forces for support. This could involve deploying units from the Planetary Defense Force (PDF) alongside Space Marines. The imperium’s interplay, where players must maintain a good reputation and avoid perceptions of power accumulation, is central to gameplay innovation.
Future expansions might include additional factions like the Adeptus Mechanicus and other Space Marine chapters. Additionally, Creative Assembly plans to develop Total War: 40k as a continuous sandbox experience rather than separate installments, enhancing replayability.