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Space Marine 2 Details: Siege Mode, Dreadnoughts & Seasons

by Natalie Jan 22,2026

Warhammer 40,000: Space Marine 2 has just unveiled 'Siege,' its new interpretation of the classic Horde mode. The reveal includes a debut teaser trailer, screenshots, and initial details on its gameplay. As a dedicated Warhammer 40,000 and Space Marine 2 enthusiast, I sought more in-depth information. I submitted a list of questions to Tim Willits, Chief Creative Officer at developer Saber Interactive, to address my key queries. His responses provided some fascinating insights.

Beyond a detailed look at how the Siege mode functions, Willits confirms players can call in a Dreadnought during these battles. He also explains why Space Marine 2 maintains a maximum of three-player co-op. Our discussion also covered the game's future, confirming plans for additional content beyond its first year. Continue reading to discover everything about Space Marine 2's Siege mode and more.