RimWorld turns 11 years old on November 4th! To celebrate, we’re holding a birthday community event to showcase all things RimWorld. 🎂

Everyone that participates (and follows the rules below) will be entered in a random giveaway for one of three sets of YouTooz’s War Queen figure and RimWorld pin sets!

We've also got a small update for RimWorld in version 1.5.4241, and the changelog is below.

Thank you so much for continuing to support and show your love for our game over the last decade.
Happy birthday RimWorld! 🎉 - Ludeon Studios

RimWorld Birthday Community Event 🎂

By participating in our birthday event, you’ll be entered in a random giveaway to get one of three sets of YouTooz’s War Queen figure and RimWorld enamel pins!

Please read all of the event rules and giveaway details before participating.

Event rules

• 1 entry per person.
  
• To participate, share your RimWorld creations with us! It can be RimWorld fanart, in-game screenshots or gameplay videos (vanilla/non-modded content only), writing, and other creative media. Share it with us by replying to the X @LudeonStudios birthday post or share a link on the official RimWorld birthday Reddit thread. All submissions must be human-made works, no AI-generated content permitted.
  
• Participation closes on Oct 25, 11:59PM Pacific. Giveaway recipients will be announced on Oct 28 on Twitter/Reddit by TiaPixel.
  
• Those selected for the giveaway will be contacted on Twitter/Reddit by TiaPixel (and no one else, be careful if someone other than TiaPixel reaches out).
  
• You must respond before Oct 31 or someone else will receive the giveaway.

Here are some ideas/inspiration if you'd like to participate, but don't know what to do. (Of course, you're not limited to these!)

• Birthday themes: Birthday cakes, party decorations, presents, and joyful celebrations!
  
• Screenshots: Colonies/bases, individual rooms (throne rooms, ritual chambers, war-torn battlegrounds), and interesting events (weddings, rituals, intense battles, hilarious moments).
  
• Artwork: Illustrations of your colonists, pets, mechanoids, xenotypes, ideoligions, etc. Comics depicting funny in-game moments or stories of your colonists. Speedpaintings of your artwork.
  

Giveaway details

• 1 set of the YouTooz War Queen figure and YouTooz RimWorld enamel pins will be randomly given to 3 different participants.
  
• Note: YouTooz is unable to ship their merchandise to certain countries, please check yours before participating: https://youtooz.com/pages/shipping-policy

RimWorld Sales

RimWorld and the expansions Biotech, Ideology, and Royalty are all on sale until October 18!

Changelog

• Improve performance of "need warm clothes" alert with large numbers of clothes in stockpile.
  
• Moved "CausedBy" translation key to core.
  
• Insect jelly will now be deprioritized when selecting caravan food.
  
• Disable room space need thoughts when asleep.
  
• Smoke launchers, incinerators, and gunlinks no longer have qualities.
  
• Re-flavor royal titles.
  
• Allow timbershrooms to grow on polluted ground.
  
• Allow prisoners to be downed for prisoner sacrifice and execution rituals.
  
• Updated creative rewards content.
  
• Updated translations.

Fixes

• Fix: Dev palette cached incidents being skipped if target is the wrong type.
  
• Fix: Hard-coded formatting on injury label in brackets for body part sources.
  
• Fix: Copying colonist ScenParts with configurable lists edits in-place instead of copying data over.
  
• Fix: Wall torch has inconsistent max fuel compared to other similar buildings.
  
• Fix: Brain isn't properly destroyed by execution cutting on deathless pawns.
  
• Fix: Electroharvester has flipped graphics.
  
• Fix: Pawns without reading policies producing error when prisoners have joy need via mods.
  
• Fix: Randomly scattered things don't retain quality from scenario config.
  
• Fix: Shamblers not able to walk through open doors in some circumstances.
  
• Fix: Coagulate can be used on pawn with no tendable hediffs.
  
• Fix: Hunting work site generation can cause errors with modded games if leatherDef is null.
  
• Fix: Global learning speed factors do not appear on skill tooltip.
  
• Fix: Missing eyepatch drawn over blindfolds.
  
• Fix: Some anomaly debug actions visible without anomaly active.
  
• Fix: Breastfeeding moms dropping babies if no bed.
  
• Fix: Healer Mech Serum prioritizes sterilized over mental ailments.
  
• Fix: Having bloodfeeding and cannibalism memes sometimes generates an ideoligion with no positive cannibalism precept.
  
• Fix: Misconfigured distRange on SubcoreEncoder_Working sound.
  
• Fix: Exception ticking mothballed world pawn.
  
• Fix: Room size space calculations can add cells from outdoor locations.
  
• Fix: Error if simulate killing unspawned pawn with a shield.
  
• Fix: Deconstructing firefoam popper with auto rebuild on places a blueprint on deconstruct.
  
• Fix: Ascetic pawns judge others for their appearance, contrary to trait description.
  
• Fix: Deadlife shamblers appearing on schedule.
  
• Fix: Ideology buildings not respecting interaction spot overlap.
  
• Fix: Anima Tree artificial structure radius inconsistencies.
  
• Fix: Incorrect wealth calculation on buildings with def-defined base market value
  
• Fix: Sanguaphage meeting quest not completing if join offer is postponed.
  
• Fix: Error in inspect string when saving game directly after a pawn has used a verb.