RimWorld Anomaly Pit
Image via Ludeon Studios

When Does RimWorld Anomaly Release? – Answered

It’s been a long time coming, considering the last expansion, Biotech, launched in October 2022. It’s been more than 18 months with no word about the next RimWorld expansion, but the time has finally come! Over on X, Tynan announced RimWorld Anomaly. So, when does RimWorld Anomaly release?

What is the RimWorld Anomaly Release Date?

It’s official! The RimWorld Anomaly release date is April 11. In just two weeks (from the time of this writing), we’ll get an opportunity to explore untold horrors, fleshbeasts, torturous pits, containment facilities, and the undead. Thanks to the multiple previews developer Ludeon Studios shared on Steam, we’ve only received a small taste of what’s to come, and I’m more excited than ever before!

I trust Ludeon explicitly and will always purchase their expansions on day one. You can Wishlist Anomaly on Steam today!

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What is RimWorld Anomaly?

RimWorld Anomaly is the fourth expansion to the colony sim, taking a new approach. Anomaly is horror-themed, taking inspiration from Cthulu and Cabin in the Woods, with unique scenarios and events to help build tension and terror.

While you work to ensure everyone’s survival, outside forces, including an invisible hunter, flesh creatures, and a mind-controlling parasite, will influence your colony and its outcome.

You’ll utilize flamethrowers, experimental serums, power tools, and unique rifles that melt flesh to combat brand-new horrors in space. You’ll need such impressive weaponry against beasts from below, cultists, and your pawns!


The Guide Hall can’t wait for the release of the upcoming RimWorld expansion, and you can bet we’ll have coverage of the colony sim coming soon!