Warhammer 40,000: Space Marine 2 – Siege Mode Arrives on June 26th, First Gameplay Revealed

The public test server for Saber Interactive's frenetic take on Horde Mode will go live for PC players via Steam on June 4th.

Posted By | On 23rd, May. 2025

Warhammer 40,000 Space Marine 2

Focus Entertainment and Saber Interactive have officially dated Warhammer 40,000: Space Marine 2’s Horde-like mode. It’s called Siege Mode and debuts on June 26th, free for all players, though public test servers will become available on June 4th for PC. Check out the teaser trailer below.

The goal of Siege is simple: Survive against waves and waves of Tyranid and Chaos enemies. You’ll earn points with each wave and can spend them on Medicae Stimms, equipment charges, ammo, or AI-controlled Astartes. The Dreadnought is also available to help you wreak havoc. At least until a Hierophant Bio-Titan shows up to ruin your life.

Up to three players can jump into Siege, though a solo option will likely be available. It’s unknown if multiple difficulty tiers or rewards are available, so stay tuned for more details.

Warhammer 40,000: Space Marine 2 is available for Xbox Series X/S, PS5, and PC. Warhammer 40,000: Space Marine – Master Crafted Edition, a remaster of the original, is also out next month on June 10th for $39.99.


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