Download Rimworld V1.4.3559 May 2026

Please note that while most 1.4-compatible mods will work with v1.4.3559, some older mods may require the library or specific updates to function without errors. Always check the Steam Workshop for the latest mod versions.

: If you purchased the DRM-free version directly from Ludeon Studios , you can access your personal download link provided in your original purchase email. Download RimWorld v1.4.3559

: Significant optimizations for pawn rendering and mod loading. Please note that while most 1

: Integration for xenohumans, vampires (Sanguophages), and reproduction. : Significant optimizations for pawn rendering and mod

: Avoid downloading game files from third-party "free download" sites, as these often contain malware or outdated, broken builds that lack official support and bug fixes.

: Log into your respective launcher to download the latest build or manage your installations. Key Features in v1.4

: If you own the game on Steam, your client should update automatically. If you need to revert or stay on this specific version, right-click RimWorld in your Library > Properties > Betas > and select the desired version from the dropdown menu.