Average Playtime: 1 hour

The Eternal Cylinder

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About

In The Eternal Cylinder, players control a herd of adorable creatures called Trebhums and must explore a strange alien world filled with exotic lifeforms, surreal environments, and the constant threat of the Cylinder, a gargantuan rolling structure of ancient origin which crushes everything in its path. This unique ecosystem is a massive, procedurally generated land with unique animal AI, real-time world destruction, and organic exploration and puzzle design to create emergent gameplay that ensures no two playthroughs are ever the same.

Your Trebhums begin at the bottom of the natural food chain but can mutate and evolve with new physical attributes and abilities by eating a variety of flora and fauna. Discover and adapt dozens of mutations, including new traversal skills like flying and swimming to reach new areas, and new senses to help overcome puzzles, challenges and dangers. Your many Trebhums can each have different mutations, and new mutations don’t replace ones you already have, letting you stack ability sets in dynamic ways. Each mutation will also change the physical look of a Trebhum and stacking these will generate near countless surprising new creature designs which players will be able to organically discover as they explore this unique alien ecosystem.

System requirements for PC

Minimum:
  • Requires a 64-bit processor and operating system
  • OS: Windows 10 (64 bit)
  • Processor: Intel Core i5-4460
  • Memory: 8 GB RAM
  • Graphics: Nvidia GTX 770
  • DirectX: Version 11
  • Storage: 8 GB available space
Recommended:
  • Requires a 64-bit processor and operating system
  • OS: Windows 10
  • Processor: Intel Core i5-7600
  • Memory: 16 GB RAM
  • Graphics: Nvidia GTX 1070
  • DirectX: Version 11
  • Storage: 9 GB available space

System requirements for Xbox One

System requirements for Xbox Series S/X

System requirements for PlayStation 5

System requirements for PlayStation 4

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Last Modified: Mar 29, 2026

Where to buy

Steam
Epic Games
Xbox Store
PlayStation Store

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iBarin

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6.25%
Forked Tongue
Get the trunk mutation from within a Roondaslock.
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Fearless
Defeat a Liberator using Mixer Body projectiles.
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Hunt the Hunter
Destroy an Exonerator using Mixer Body projectiles.
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Stinky
Scare away a Tripobosh or Onogrosh with a smelly surprise.
6.25%
Gotta Catch 'Em All
Scan all creatures using the Analytical Eyes.
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12 items
is nobody gonna talk about the fact that some of the trees look like giant avocadoes?
Mar 31, 2023
xer0_thevoidking
Please Help
Mar 16, 2023
becomeriza
Poopenfarten Overlord is from our community on Discord. Check out their interpretation of some of the creatures from the desert. We love it!
Jan 23, 2023
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Chaos amber farming?
Jan 28, 2023
WeeboftheSwamp
Q: Can you see a stuffed Omnogrom? A: You can't. This appears the moment it happens.
Feb 2, 2023
Benny_GSE
What would you like to see in a sequel?
Feb 4, 2023
fireflydrake
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FIRST LOOK! The Eternal Cylinder Beta!
ETERNAL CYLINDER BETA THEN MAYBE DOTA
FIRST LOOK! The Eternal Cylinder Beta!
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133 items

The Eternal Cylinder reviews and comments

Truly no one else makes games like ACE team. This game is unique and weird with so much charm to it. You set out knowing very little and just learn along the way. I was immediately thinking about the old 2000 pc game, Evolva when playing this, where you evolve and mutate your characters depending on the actions you repeat and DNA you absorb. In this game you suck up creatures, minerals and flora and some can be ingested to mutate certain attributes such as a balloon body to float or a chemical mixing body to combine items into deadly projectiles. The only downside to this game is how little information there is. You do learn along the way through the story and just by experience but some sections can be obtuse at times. Thankfully you can save pretty much whenever you want to make mistakes more bearable. At some point about half way through the game I got the ability to fill out a mutation tree. Interacting with a certain shrine gave me a section on this tree to give specific resources to that allows you to unlock and use a mutation at will. I'm pretty sure I visited every shrine I could and yet by the end of the game I hadn't filled out that tree. It really seemed like something that should've been unlocked earlier. There are also some resources that are biome specific so if you miss them you won't get them until much later. Just some odd design decisions. Near the end the game also just cranks up the difficulty with the advanced enemy spawns. I didn't have much trouble as I was pretty leveled and had a full family but it was still surprising to see the random jump. I did run into one escape the cylinder section that I could not get past on normal. Idk how much procedural generation there is in terms of terrain but no matter what I did I could not outrun it. Even after bumping it down to low cylinder aggression I just barely got through.
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