Rimworld-beta-18 May 2026

For the first time, players could adjust global temperature and rainfall parameters to create entirely desert or ice worlds.

The game began generating a detailed, prose-based history of every battle. Instead of just seeing health bars drop, players could read vivid descriptions of pirates gouging out eyes or specific limbs being perforated during a desperate defense.

Introduced "Meteorite Impact" (dropping raw ores) and "Tornadoes" as random world events. rimworld-beta-18

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

The update introduced rare, uncraftable "pre-collapse" technology. These "holy grail" items, like psionic emitters for mood boosts or healing nanomachines to remove permanent scars, became major focal points for late-game stories and high-stakes quests. World & Survival Changes For the first time, players could adjust global

Added bedrolls for travel and dressers/endtables to improve room quality.

The planet view transitioned to a 3D sphere made of hexagons and pentagons, featuring realistic time zones and sunlight modeling. Environmental Challenges: These "holy grail" items, like psionic emitters for

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".