Rimworld-beta-18 May 2026

For a deeper dive into the technical changes, you can view the full update history on the Official RimWorld Wiki.

Items and furniture now feature randomly generated inscriptions that chronicle the colony’s history, such as "this sculpture depicts the wedding of Sarah and John while three muffalo look on in the background".

Added bedrolls for travel and dressers/endtables to improve room quality. rimworld-beta-18

The planet view transitioned to a 3D sphere made of hexagons and pentagons, featuring realistic time zones and sunlight modeling. Environmental Challenges:

For the first time, players could adjust global temperature and rainfall parameters to create entirely desert or ice worlds. For a deeper dive into the technical changes,

Beta 18 added the Orbital Power Beam Targeter and Orbital Bombardment Targeter , allowing colonists to call down devastating strikes from space to vaporize enemy sieges. New Content Highlights

RimWorld Beta 18, subtitled was a landmark update that transformed the game from a survival management sim into a true "story generator" by introducing deep narrative mechanics and expanded world-building. Key Narrative Features The planet view transitioned to a 3D sphere

Added for players seeking the ultimate survival challenge with almost zero natural resources.

rimworld-beta-18