Launch and platform status
Space Marines are one of the four announced launch factions. The full game is planned for 2027; no exact release date is confirmed in the checked sources.
The announced platforms are PC via Steam and Epic Games Store, PlayStation 5, and Xbox Series X|S. [source][source]
Faction identity
Space Marines are described as a small, heavily armoured force built around powerful individual warriors. [source]
This is the developer’s pre-release description, rather than a tested ranking or a final set of gameplay statistics.
Can you play them in the beta?
Two opening single-player campaigns, plus multiplayer and custom battles.
The closed beta is PC-only through Steam. It includes part of the tutorial, two opening Space Marines campaigns, multiplayer and custom battles, and advanced customisation. [source]
What is still outside this dossier?
This entry does not yet catalogue a full unit roster, named sub-factions, costs or balance values. A unit appearing in preview footage does not by itself establish its final stats or availability in every mode.
For a side-by-side view of launch and test availability, use the faction comparison.
- Announcing Total War: Warhammer 40,000! Warhammer Community
- Total War: WARHAMMER 40,000 — Steam store Creative Assembly / SEGA
- Closed Beta — scope and selection Creative Assembly
- Total War: WARHAMMER 40,000 — SEGA Japan product page SEGA
- TGS 2026 game introduction trailer — September announcement SEGA
- SEGA Summer Showcase — September announcement SEGA
- This Week in Total War — 28 August 2026 Creative Assembly
Checked 22 September 2026 · Pre-release information may change.