RimWorld Just Ditched Unity, and the Results Are Impressive

With its latest 1.7 update, RimWorld has officially switched its game engine. For the last eight years, RimWorld has been running on the Unity engine. Now it's running on Ludeon Studios' own in-house Waylith engine, and it seems to be thriving.

Oct 13, 2026 - 19:00
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RimWorld Just Ditched Unity, and the Results Are Impressive
With its latest 1.7 update, RimWorld has officially switched its game engine. For the last eight years, RimWorld has been running on the Unity engine. Now it's running on Ludeon Studios' own in-house Waylith engine, and it seems to be thriving.

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