Home News "Warhammer 40K: Space Marine 2 Mod Adds 12-Player Co-Op, Raid Missions Coming"

"Warhammer 40K: Space Marine 2 Mod Adds 12-Player Co-Op, Raid Missions Coming"

Author : Andrew May 21,2025

The modding community for Warhammer 40,000: Space Marine 2 has been thriving since the game's record-breaking launch last year, and their latest achievement is nothing short of groundbreaking. Tom, known in the modding scene as Warhammer Workshop and the mastermind behind the Space Marine 2’s excellent Astartes Overhaul, announced the release of a 12-player co-op mod this week, and the gameplay footage is nothing short of spectacular. The video showcases multiple players engaging in a battle against a Tyranid Trygon Prime, evoking the excitement of an MMO boss fight.

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This development was unexpected, considering the base game only supports up to three-player co-op. Yet, with the support of developer Saber Interactive, the modding team has not only surpassed this limit but is also aiming to elevate Space Marine 2 to new heights. "Honestly, I’m just kind of in awe of Saber’s support for the modding community," Tom shared with IGN. "None of us expected 12-player PvE sessions to be possible this soon—but somehow, here we are. Thanks to their generosity and trust, this huge leap forward is finally here, and it completely changes what we can do."

It's important to note that the current mod is still in the testing phase, and while it functions well, it does disrupt the game's PvE balance. With nine more players than intended, the challenge against Tyranids and the Thousand Sons is significantly altered. However, with 12-player co-op now a reality, modders are developing additional features to capitalize on this new capability. Tom mentioned that the team is working on diverse modes such as prop hunt, PvP within operations, expansive horde mode updates to complement the upcoming official release, and raid-style missions featuring formidable bosses that demand teamwork and introduce entirely new mechanics.

The Space Marine 2 modding community has expanded significantly, boasting around 20,000 members in their main Discord server. "As both a modder and a player, it’s hard not to be excited," Tom added. "Huge credit as always to the Saber team for not just making all this possible, but continuing to drop amazing content of their own too, without any of the usual predatory battle-pass nonsense we take for granted in modern titles."

This 12-player mod could potentially hint at what to expect from Space Marine 3. With Space Marine 2 continuing to evolve, including the imminent arrival of horde mode, a new class, additional Operations maps, and weapons, the future looks bright. Saber recently detailed Patch 8, confirmed some horde mode mechanics, and revealed the setting for the new map.

Space Marine 3 is officially in development, a move that's unsurprising given the success of its predecessor. The announcement for Space Marine 3 promised "large-scale battles that are even more spectacular," which may suggest an increase in the co-op player count. Until we get more details, the modding community will continue to innovate and keep the game fresh and exciting, as exemplified by this latest mod.

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