Steam

The Eternal Cylinder

Also known as The Eternal Cylinder, ec, eternal cylinder

Control a herd of charming creatures called Trebhum and explore an unforgettable alien world filled with exotic lifeforms and surreal environments. Discover dozens of mutations to overcome puzzles, explore new biomes, and survive on a dangerous planet.

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Last update

24 Jun 2026

Original sources

Latest update

StorePublished 22 Dec 2022

The Soundtrack is now available - for free

Happy Holidays Community! As we reach the end of 2022, we're reminded how wonderful our community is. We've loved reading about your Eternal Cylinder dreams, seeing your fan art, and hearing your thoughts on the game. O…

2 changesGameplay

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Latest updates

Update history

Browse past updates and patch notes for this game.

8updates

October 2022
Hi everyone! Patch #3 is now live, check out the details below. Patch notes and fixes for Hot Fix 3 (aka Patch 3): A progression bug that could manifest in several different ways is now fixed. The bug could cause non-pr…5 changesFixUI/audioStore31 Oct 2022
Hi everyone! We continue to listen to your feedback and make improvements to the game. Huge thanks to you, our Community, who continue to share your experiences, talk about your fun adventures, and let us know your thou…3 changesPerformanceStore20 Oct 2022
Hi everyone! Thanks for your warm welcome on Steam and for all your feedback! We are rolling out our Patch 1, here are its contents: Patch notes and fixes for Hot Fix 1 (aka Patch 1): Optimized Raytracing profiles confi…10 changesFixPerformancePatch notes17 Oct 2022
The time has finally come! The Eternal Cylinder is now AVAILABLE ON STEAM The Anniversary Update is live and included in the Steam version! With this launch, a whole new audience of players who have never had the chance…5 changesGameplayStore13 Oct 2022
Hello everyone! It's a special week for our little Trebhum friends: as many of you already know, The Eternal Cylinder will release here on Steam October 13th, along with the much-awaited Anniversary Update! We have a lo…6 changesPerformanceGameplayPatch notes11 Oct 2022
September 2022
The Eternal Cylinder featured in Steam Next Fest!Our li'l Trebhum friends can't stop wagging their trunks in excitement as we learned that The Eternal Cylinder will be featured during the upcoming Steam Next Fest, happening from October 3rd to October 10th! Play the d…Event2 changesStore30 Sept 2022
August 2022
The Eternal Cylinder Anniversary Update launches October 13th!We’re thrilled to be sharing some exciting news with you all! On October 13th, The Eternal Cylinder is coming to Steam as we celebrate our 1-year anniversary! We would love for you to share this news with all your frien…Announcement2 changesGameplay18 Aug 2022

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