# RimWorld has a new engine and it's literal magic

> "We’re announcing update 1. 7, which moves RimWorld from Unity to the Waylith Engine, our own in-house engine built by Ludeon Studios.

- **Source:** [Pcgamer](https://www.pcgamer.com/gaming-industry/game-development/rimworld-drops-unity-for-its-own-in-house-engine-says-your-saves-still-work-so-do-most-mods-and-the-whole-thing-runs-twice-as-fast/?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=6ace4cdbe9b5454c479e9597)
- **Published:** 2026-10-13
- **Category:** Gaming
- **Tags:** #engine #rimworld #literal #magic #announcing #built #exactly #game
- **Canonical:** http://localhost:4321/a/6ace4cdbe9b5454c479e9597

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_GearOpen's distilled summary. The full original article is published at Pcgamer (source link above); GearOpen does not republish the source's full text._