{
  "id": 14157597,
  "title": "RimWorld switches engine from Unity to the devs' own, faster Waylith Engine, all apparently without breaking mods somehow",
  "url": "https://urgent.news/2026/10/13/rimworld-switches-engine-from-unity-to-the-devs-own-faster-waylith",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-10-13T08:51:40.000Z",
  "source": {
    "name": "Rock Paper Shotgun",
    "slug": "rock-paper-shotgun",
    "url": "https://www.rockpapershotgun.com/rimworld-switches-engine-from-unity-to-the-devs-own-faster-waylith-engine-all-apparently-without-breaking-mods-somehow"
  },
  "original_language": "en",
  "account": "RimWorld, the popular sci-fi colony construction simulation, is undergoing a significant update. Ludeon Studios, the game's developers, have revealed that the game will be transitioning from Unity to their proprietary Waylith Engine in the upcoming update 1.7. According to Ludeon, this switch will not alter the game's appearance or gameplay, but will yield substantial performance enhancements, around 2-4 times faster. The update promises quicker startup and load times, especially for games with extensive mod lists, as well as improvements in map and world generation, and overall tick rates. An example provided is a modpack of 1500 mods, which previously took 14 minutes to load, now finishing in just 6 minutes. The developers emphasize that despite the engine switch, most community mods will continue to function without issues. Furthermore, players can transfer their saves from the previous version 1.6 to the new 1.7, ensuring no loss of progress during the update.",
  "summary": "Ludeon Studios, developers of sci-fi colony construction sim RimWorld , have announced in a Steam update that the game will be moving over from Unity to the studio's own in-house Waylith Engine in its upcoming update 1.7. Ludeon states that the game will \"look and play exactly the same\", but performance will see an improvement of around 2-4x. Update 1.7 on Waylith promises \"faster startup time,…",
  "key_points": [
    "RimWorld transitioning from Unity to Waylith Engine in update 1.7",
    "Engine switch promises 2-4 times faster performance",
    "Most community mods will continue to function without issues"
  ],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}