If you are coming from a previous version (like 1.3 or early 1.4), here are the three biggest "quality of life" fixes you will notice:
The 1.6 architecture drastically alters how the game interacts with community mods. If you are updating an older mod list to build 143901, keep these parameters in mind:
Activating a mysterious dark monolith initiates these events, turning your colony into a containment facility.
Searching for "143901 all DLCs new" often implies you are looking for a version that supports mods. As of this build, the modding community has caught up.
You can modify the DNA of your pawns to create entirely new species, from fire-breathing impids to subterranean mining experts. rimworld 143901 all dlcs new
Note: This article is based on the 1.5 update and Anomaly expansion release in early 2024, continuing to be the standard in 2026.
If you see listed (often dropping the decimal points), you are looking at the late 2023 / early 2024 gold standard of the 1.4 era.
: Introduces a feudal hierarchy and psychic powers. You can earn royal titles, host difficult imperial guests, and unlock "psylink" abilities that allow your pawns to control minds or teleport. It adds a clear endgame goal: ascending to the stars as part of the Empire. Ideology
: You can forge highly specific cultures, such as techno-fetishist cannibals, blind tunnel-dwelling subterranean mole people, or tree-worshipping pacifists. If you are coming from a previous version (like 1
: Adds belief systems, social roles, rituals, and specialized building styles.
Build specialized, secure containment cells to house captured monstrosities and siphon their psychic power. Synergies Explored: When Mechanics Collide
: Introduced wall lights, a "mine entire vein" tool, room cleaning commands, and a crawling mechanic for downed pawns. The Odyssey Expansion
Looking for RimWorld 1.4.3901 with all DLCs (Royalty, Ideology, Biotech)? Discover the new features, mod compatibility, and stability fixes in this complete guide to the definitive RimWorld build 143901. As of this build, the modding community has caught up
The latest technical update (often referred to as the 1.6 branch) includes: Extreme Performance
: Gain reality-bending psychic abilities, allowing your casters to teleport enemies, go invisible, or induce mass panic.
This build features the complete RimWorld experience, updated to the latest stability patch. It includes all four major expansions: Anomaly , Biotech , Ideology , and Royalty .
: Defend your base against invisible hunters, flesh-mass growths, and mind-controlling monoliths.