RimWorld is a sci-fi themed colony-building game where players manage a group of survivors on a distant planet. The game is known for its depth, complexity, and challenging gameplay. Players must manage their colonists' needs, relationships, and skills while dealing with the harsh environment, raiders, and other threats.
Endgame condition triggered — Anomaly ending.
The monolith is fully awakened. To seal it, one must sacrifice a colonist with the highest psychic sensitivity. That is Lyssa — the same woman who brought the metal horror, the gene lines, the nightmares.
She kneels before the pulsating stone. Jin-ho holds the plasma sword (looted from a dead empire trooper).
“Do it,” she says. “I was already dead the day I touched that marsh stone.”
He swings.
The monolith collapses into silent granite. The flesh pit closes. The second moon stops glowing red.
But the colony is now three: Jin-ho (one lung, one kidney, haunted), Old Tuck (one eye, slow, but his corn grows golden), and A-7 (seven years old, fire-breathing, watching the ashes with copper eyes).
Vek died covering Lyssa’s approach to the monolith. His body lies in the cornfield, still holding the broken hilt of his monosword.
The Stellarch fled during the chaos — his shuttle was last seen heading toward the polar ice sheet. Rimworld 1.4.3901 All DLCs
The first raid comes on day 4 — a lone, half-starved mad hare. Jin-ho beats it to death with a log. They eat.
By day 12, a wooden hut stands against a hill. A rice field spreads, irrigated by a nearby stream. Then the void calls.
Anomaly event: “Strange Signal” from a jagged monolith half-buried in a marsh. Lyssa touches it. Her neural tattoos flare black. That night, she dreams of flesh that walks like a man but is not. A Metal Horror — dormant — now resides inside her liver. No symptoms. No cure but fire or a glitterworld surgical suite.
She says nothing. But she starts locking her room.
Note: This article is for informational purposes regarding game content.
Officially, you can obtain this version via Steam or GOG (Good Old Games).
Warning: There are unauthorized repacks of "1.4.3901 All DLCs" circulating on torrent sites. These are often bundled with malware, missing sound files, or corrupted gene assemblers. Support Ludeon Studios to get the continuous updates and the upcoming "1.5" content.
It started with a message on an ancient console. The Empire was nearby—a fragment of the once-great civilization that had forgotten the Ascendants' pilgrimage.
A shuttle landed. Out stepped a High Stellarch, clad in shimmering eltex robes. He demanded respect. Harrow, stubborn and proud, refused to bow to a man who clung to flesh when steel was superior. RimWorld is a sci-fi themed colony-building game where
The Empire attacked. They sent cataphracts—armored juggernauts landing in drop pods right into the colony’s courtyard. The battle was brutal. Tink, hopped up on combat drugs, held the doorway with a heavy SMG, his superhuman physiology ignoring bullets that would have killed a normal man. Skarf’s bear, Ursa, mauled a lancer, staining the snow red.
After the victory, they captured a terrified Baron. Harrow saw an opportunity. He enacted the Ideoligion of the Ascendants: Transhumanist Supremacy. They did not execute the Baron. They "improved" him. In the operating theater, Harrow and Naomi removed the Baron’s legs and eyes, replacing them with bionic prosthetics. They scarified his skin with neural implants. He was no longer an enemy; he was a Husser, a cyborg serf bound to serve the colony. The Ascendants had their first slave, and their moral standing with the Empire plummeted to "Hostile."
RimWorld 1.4.3901 All DLCs represents the end of an era. It is the final, polished build before the developers moved toward the 1.5 update (which focuses on vehicle framework and hidden secrets).
For new players: Starting here is overwhelming but rewarding. You will experience war crimes, psychic drones, religious schisms, and genetic abominations all in one save file. For veterans: This is the "golden build" -- stable enough to run 300+ mods, but fresh enough to still have challenges.
If you want the richest story generator on PC, where a squirrel can bite out a Sanguophage's eye and cause a royal succession crisis, there is no better version than RimWorld 1.4.3901 with All DLCs.
Happy surviving, colonists. Randy Random sends his regards.
version 1.4.3901, when paired with its full suite of expansions, represents the definitive era of the "story generator" before the transition to 1.5. This specific build serves as a stable, content-rich peak where the four major pillars—Royalty, Ideology, Biotech, and Anomaly—interlock to create a simulation of unparalleled depth.
The Royalty expansion introduces a vertical layer of progression through the Imperial hierarchy. It transforms individual pawns from mere survivors into noble figures capable of wielding "psycasts," effectively a soft magic system grounded in the game's sci-fi lore. This DLC shifts the gameplay focus toward questing and defending high-value assets, as noble pawns demand increasingly luxurious accommodations and specialized gear to maintain their status.
Building on the social fabric, the Ideology DLC allows players to define the very soul of their colony. By selecting specific memes and precepts, players can dictate everything from dietary restrictions to attitudes toward slavery or cannibalism. This system moves the game beyond simple survival and into the realm of roleplay, forcing players to manage the "mood" of their colony not just through physical comfort, but through the fulfillment of abstract spiritual and cultural needs. Warning: There are unauthorized repacks of "1
Biotech stands as arguably the most transformative addition in the 1.4 era. It introduces three massive systems: xenotypes (genetics), mechanitors (controllable robots), and children. The ability to raise a second generation of colonists adds a profound sense of continuity and long-term consequence. Meanwhile, the gene-modding system allows for the creation of specialized "super-soldiers" or workers, and the mechanitor path offers a new way to automate labor and defense at the cost of managing toxic pollution.
The Anomaly expansion completes the 1.4 experience by leaning into cosmic horror. It introduces a darker, more reactive threat level where colonies must contend with eldritch entities and mysterious rituals. This DLC provides a sharp contrast to the high-tech focus of Biotech or the political maneuvering of Royalty, challenging players to balance scientific curiosity with the risk of total psychological or physical collapse.
Ultimately, RimWorld 1.4.3901 with all DLCs is no longer just a colony management game; it is a complex ecosystem of competing ideologies, biological engineering, and psychic warfare. Each expansion fills a unique niche, ensuring that no two playthroughs ever feel the same. Whether you are building a high-tech corporate utopia or a primitive cult of flesh-shapers, the 1.4 build remains a masterpiece of emergent storytelling. If you'd like, I can help you:
Compare the difficulty of the different DLC-specific endings
Identify the best mods that are specifically compatible with version 1.4
Develop a starting strategy for a colony using a specific Ideology and Biotech xenotype
The 1.4 update brought significant quality-of-life improvements and content, including:
Biotech is the largest DLC and the reason version 1.4 exists.
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