Warhammer 40,000: Rogue Trader - The Infinite Museion
Warhammer 40,000: Rogue Trader - The Infinite Museion is the third story expansion for Warhammer 40,000: Rogue Trader from Owlcat Games. It sends your party into Trazyn the Infinite’s vault to recover rare artefacts, add new bionic augmentation options, and recruit a Tech-Priest Manipulus companion with unique support abilities. The expansion adds narrative choices that affect relations with Trazyn and the von Valancius past, and is playable in single-player or online co-op modes. Released Jun 11, 2026 for Windows and macOS, it lists Windows minimum and recommended specs and supports English full audio and subtitles in multiple languages. Player reviews show an 84% positive rate.
Warhammer 40,000: Rogue Trader - The Infinite Museion Features
Third story expansion
Continues the Rogue Trader campaign as an add-on narrative focusing on the vault of Trazyn the Infinite and the von Valancius past.
Explore Trazyn’s Vault
Investigate hidden agendas and recover rare artefacts in a series of expeditions that reveal a larger mystery across the Koronus Expanse.
New Tech-Priest companion
Recruit a Tech-Priest Manipulus who provides battlefield support, unique buffs, and choices tied to his shadowed backstory.
Augmentation system
Replace damaged flesh with bionics to improve resilience and alter tactical options, with progressively more unusual augmentations unlocked through the story.
Single-player and online co-op
Playable in single-player or online co-op modes, preserving both solo progression and cooperative party play.
Platform, audio and reviews
Available for Windows and macOS, English features full audio; the expansion has an 84% positive reviewer rate from 53 reviews.
Warhammer 40,000: Rogue Trader - The Infinite Museion Quick Facts
Frequently Asked Questions
What is The Infinite Museion?
It is the third story expansion for Warhammer 40,000: Rogue Trader, sending players into Trazyn the Infinite’s vault to recover artefacts and follow a linked mystery.
What new gameplay does this expansion add?
The expansion adds a new bionic augmentation system to replace damaged flesh with cybernetics and offers esoteric bionics as the story progresses.
Are there new companions or characters?
Yes. A Tech-Priest Manipulus companion joins the party, offering support-focused buffs and technological abilities tied to his narrative arc.
Which platforms and languages are supported?
The expansion is available for Windows and macOS. English includes full audio and subtitles; multiple other languages have interface and subtitles support.
What are the system requirements and release details?
Released Jun 11, 2026 by Owlcat Games. Windows minimum and recommended specs are listed (Win10, 8–16 GB RAM, 40 GB storage). Price shown as $17.99 and reviews are 84% positive from 53 entries.
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