As of April 2026, features five major official expansions that significantly overhaul gameplay, from religious systems to interstellar travel. You can find these expansions on platforms like the Steam DLC Page and the Epic Games Store . Core Expansions (All DLCs) Odyssey (DLC) - RimWorld Wiki
serves as the definitive high-stability, highly compatible foundation for the ultimate sci-fi colony simulation experience. Released as a core optimization build by Ludeon Studios, version 1.4.3901 locks down the features of the game's highly celebrated 1.4 era while offering full compatibility with Royalty , Ideology , and Biotech .
As of my last update, RimWorld version 1.4.3.901 is a specific patch or update within the game's 1.4 series. The versioning can sometimes indicate a beta or a very recent release, depending on the context. Ludeon Studios, the developer, frequently updates the game to fix bugs, balance gameplay, and add new features.
If you are a Steam user, you can still access this specific version by right-clicking RimWorld in your library, going to , and selecting "version-1.4.3901" from the dropdown menu. The "All DLCs" Experience
(Highly Recommended) : Focuses on storytelling and replayability by allowing you to create custom belief systems for your colonists. rimworld 143901 all dlcs
This version specifically packages the base game together with the first three major DLCs: . Its release date also means it's the definitive version for experiencing the game in its 1.4 state.
No longer do you need to look at power lines everywhere. New walls can hide conduits, making them safer from fire and explosions.
(Newest - 2025/2026) : Shifts the focus toward space travel and mobile bases using gravships.
This guide dives deep into why this specific build, combined with all the official expansions, represents a perfect storm of content for veterans and newcomers alike. As of April 2026, features five major official
Whether you are building a Sanguophage cathedral, a Mechanitor factory of flesh and steel, or simply trying to survive a void eclipse, this is the build that will let your story unfold without interruption.
is arguably the largest expansion, introducing biological manipulation and family life.
The Noble Expansion
On 143901 , the Empire’s psychic sensitivity has been rebalanced against the new Anomaly entities. Your noble with a Zeus hammer now feels genuinely useful when a "Metalhorror" reveals itself. The psychic silences from Anomaly actually interact with the Royalty title system—expect your Count to throw a tantrum if their psychic harmonizer is jammed. Released as a core optimization build by Ludeon
For (App ID 294100) as of early 2026, the consensus among long-term players and reviewers on platforms like Steam Community and Reddit is that and are the "must-have" expansions, while , , and the recent offer specialized playstyles that may not be for everyone. Core DLC Performance & Value
Here is a deep dive into what this specific version offers when the full package is unlocked.
RimWorld 143901 with all DLCs is the ultimate experience for fans of the game. This comprehensive version offers a rich and immersive gaming experience, with a vast array of features, mechanics, and content. Whether you're a seasoned player or new to the world of RimWorld, this version is sure to provide hours of engaging gameplay and entertainment. If you're looking to embark on a RimWorld adventure, look no further than version 143901 with all DLCs.
This DLC transforms RimWorld into an RPG. You can design the belief system (or "Ideoligion") of your colony from scratch. You can play as transhumanists who require sleep accelerators, tree-worshipping hippies, or cannibal pirates who hold parties to celebrate eating human flesh. This adds "Social Roles" (e.g., a Moral Guide or a Production Specialist) and rituals that can provide massive mood buffs or summon deadly raids.