Rimworld.v1.4.3606.rar -

If you are running this version, you have access to the following core mechanics introduced in the 1.4 update:

The game has since moved through several major updates, including version 1.5 in 2024 and version 1.6 (the "Odyssey" expansion) in mid-2025. Version history - RimWorld Wiki RimWorld.v1.4.3606.rar

The ability to modify colonists with specialized genes, creating new "xenotypes" like the fire-breathing Impids or immortal Sanguophages. If you are running this version, you have

Significant optimizations were made to game launch and save load times compared to previous versions. If you are running this version