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RimWorld
RimWorld
IndieSimulationStrategy
Ludeon Studios · Ludeon Studios·$34.99
Nov 18, 2017 · 106mo ago

RimWorld Beta 18 – A World of Story is released!

AI summary1mo

RimWorld Beta 18 introduces a massive content expansion including new biomes, a complete melee combat rework, new mental states, and expanded quest rewards as the game moves toward its 1.0 release.

Buffs6

  • Mental Inspirations
    • Work frenzy:New inspiration providing a massive boost to global work speed for 1 day.1x2.5x x
    • Go frenzy:New inspiration increasing movement speed for 1 day.1x1.5x x
    • Shoot frenzy:New inspiration that improves shooting accuracy as if the pawn had 10 additional skill levels for 3 days.Current+10 Skill levels
  • Tribal ContentAdded new tribal gear and units: Ikwa, War mask, Tribal headdress, Recurve bow, Tribal hunter, Heavy archer, and Berserker.Added
  • General
    • Crop Blights:Crop blights now spread gradually instead of destroying all crops instantly.InstantOver time
    • Save Files:Save files now store actual planet map contents, improving load times and forward compatibility.Seed onlyFull map contents

Nerfs2

  • Research
    • Gun Research:Gun research is now split into stages, requiring more research for advanced weapons like assault rifles compared to revolvers.SingleMulti-stage
    • Melee Research:Melee weapon research is now broken into several stages.SingleMulti-stage

Other changes8

  • Swamp BiomesAdded Tropical swamp, Temperate swamp, and Cold bog biomes with unique vegetation and difficult terrain.Added
  • Melee CombatReworked melee combat to generate a detailed combat log of blows, misses, and blocks for richer storytelling.Storyful Combat
  • Mental BreaksAdded numerous new mental breaks including Insulting Spree, Tantrums, Sadistic Rage, Corpse Obsession, Catatonic, Jailbreaker, Slaughterer, Murderous Rage, and Run Wild.Added
  • Spaceship
    • The spaceship is now larger and requires a new component: the sensor cluster.Sensor Cluster
    • Ending Phase:The game no longer ends instantly upon reaching the ship; players must now power up the ship over several days while defending against raids.InstantMulti-day
    • Construction:Spaceship construction now requires advanced components with their own tech tree.Advanced Components
  • ArtilleryRedesigned to use one mortar type that can fire various shells: explosive, incendiary, firefoam, and antigrain.Multiple MortarsUniversal Mortar
  • GeneralBanishment:Pawns can now be banished from the colony.Added

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RimWorld · Nov 18, 2017

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Patch history

see all 59

  1. Update 1.6.4850 releasedJun 8, 2026 · 2mo

    A small update focusing on stability, bug fixes for space/gravship mechanics, and wealth balancing for ancient bridges.

    +41
  2. Update 1.6.4630 releasedOct 31, 2025 · 10mo

    A small update focused on bug fixes, performance optimizations, and stability improvements, particularly regarding gravships, void structures, and pawn behaviors.

    +4
  3. Update 1.6.4543 releasedAug 6, 2025 · 12mo

    A small update focusing on bug fixes, stability improvements, and quality-of-life adjustments for quest shuttles, pathing, and the Archonexus ending.

    +6
  4. Update 1.6.4535 releasedJul 29, 2025 · 13mo

    Update 1.6.4535 focuses on fixing numerous bugs related to the Odyssey expansion, specifically regarding gravships, room vacuum, and corner-based interactions, alongside minor balance tweaks to psilocaps and genes.

    +31
  5. Update 1.6.4528 releasedJul 22, 2025 · 13mo

    Update 1.6.4528 focuses on bug fixes and performance optimizations for the Odyssey expansion, specifically targeting gravship mechanics, glowforest stability, and general game engine efficiency.

    +81
  6. Update 1.5.4104 releasedMay 24, 2024 · 27mo

    A small update focusing on Anomaly expansion refinements, ghoul behavior improvements, and a wide array of bug fixes across all expansions.

    +7
  7. Update 1.4.3704 releasedApr 19, 2023 · 40mo

    Update 1.4.3704 focuses on fixing colonist assignment resets during caravan travel and improving various UI tooltips and descriptions.

  8. Update 1.4.3682 releasedMar 28, 2023 · 41mo

    Update 1.4.3682 focuses on stability fixes, correcting pawn relationship logic, and refining mechanoid stagger behavior.

    +42

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