The RimWorld 1.4.3.901 update, along with the new DLCs, offers a fresh and exciting experience for both new and veteran players. With its improved performance, new features, and wealth of additional content, there's never been a better time to dive into the world of RimWorld. Whether you're a seasoned colony builder or just starting out, the latest update and DLCs are sure to provide hours of engaging gameplay and endless fun.
RimWorld has officially updated to version 1.5 (Build 143901), and it is a massive leap forward for the colony simulator. Whether you are running a vanilla setup or a complete collection with all DLCs—Royalty, Ideology, Biotech, and the new Anomaly expansion—this specific build introduces foundational changes that make the game smoother, darker, and more complex than ever before. The Anomaly Expansion: A New Layer of Horror rimworld 143901 all dlcs new
Mods that modify the World Generation stack (like RimWar) are still unstable with the Ideology faction generation in 3901. Disable them until you see a specific "1.4.3901" tag. The RimWorld 1
DLC introduces massive performance optimizations, including a fully multi-threaded pathfinding and lighting system. RimWorld Wiki Official RimWorld DLC Library (2026) RimWorld has officially updated to version 1
Valerius, seeing an opportunity, used his Imperial status to call for a trade caravan. When the caravan arrived, they were ambushed by a . The caravan died, but Valerius was delighted—he now had Imperial armor to loot.
Unit-7, utilizing the corpses, began mechanoid experiments. He extracted the death-rest genes from local sanguophires (vampires) and combined them with mechanoid parts. The colony created —a giant cleaning mech armed with a chain shotgun.
—horrific entities like fleshbeasts—as sacred trials to be contained and studied for power. The Gameplay Loop Early Game : Use your Mechinator’s as cheap meat shields against initial raids while your