: Introduces pregnancy, children, and reproduction . It also adds a mechanitor system to control your own mechanoids and a genetic modification system to create custom "xenotypes".
What order would you rank the DLC from best to worst? : r/RimWorld * Ideology. * Biotech. * Royalty. * Odyssey. * Anomaly. Reddit·r/RimWorld RimWorld Patch 1.4 Update | Reveal, Reaction, Discussion
: Includes foam turrets for fire suppression and rocket swarm launchers for wide-area missile barrages. Expansion Overview (All DLCs)
As of 2026, RimWorld has five major expansions that integrate with the 1.4.3626 codebase:
RimWorld version 1.4.3626 was a critical maintenance and balance update released on February 1, 2023, following the massive 1.4 content overhaul. While version 1.4 introduced fundamental changes like , shelves that hold multiple items, and pollution , the 1.4.3626 patch specifically refined mechanics related to children, genetics, and performance. Core Version 1.4 Features
: Released in July 2025, this exploration-heavy DLC adds gravships for orbital travel, new biomes, landmarks, and over 40 new animal species.
: Allows you to shape the culture and belief systems of your colony through rituals, specific roles, and social structures like slavery or cannibalistic cults.
: Updated so aging progress stops at 18.5 years instead of 18.
