RimWorld Runs 2-4 Times Better On New In-House Engine

Starting with update 1.7, the Dwarf Fortress-inspired sci-fi colony sim will no longer rely on Unity. Ludeon Studios' RimWorld, which used to run on Unity, is moving to the developers' in-house game engine, Waylith. Starting with update 1.7, the team will move their colony sim to the new engine entirely. As the developers state, the game looks and plays the same, except now its performance is 2 to 4 times better. Ludeon Studios reports that on the new engine, the game shows noticeably faster startup time, game load time with big mod lists, map generation, world generation, and general ticks-per-second.