An extraodrinary adventure into a vibrant alien world. Control a herd of adorable creatures called Trebhums and 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. Your Trebhums begin their journey at the bottom of the natural food chain. But they can mutate and evolve new physical attributes and abilities by eating various 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. The Eternal Cylinder offers an unique ecosystem where creature AI, real-time world destruction, organic exploration and puzzle design all combine to deliver a unforgetable gameplay experience. Unforgettable Alien World to explore: Players must explore a gorgeous world which is populated with unforgettable vistas and unique landscapes which have something new to discover around every corner. Solve ancient mysteries: Explore the world to discover a vast array of challenging puzzles to solve and overcome. Real-Time World Destruction: Everything in the world can be destroyed inreal-time by The Eternal Cylinder, so players must continuously evade its destructive path in order to survive whilst marveling at the visual splendor ofits godlike power. Build Your Own Alien Family: Build a nomadic herd of unique alien creatures called Trebhums. Control a herd which can grow to more than 20 members and imbue each of them with their own unique mutations and skill sets. Unique Mutation System: Unlock unique new skills by consuming natural edibles which populate the game world. Experiment with a vast array of fruits, flora and alien creatures to unlock new powers and gameplay options. 50+ Mutations to discover: Discover and unlock more than 50+ unique mutations, each providing new gameplay options. A Trebhum for everyone: Enjoy a rich variety of Trebhum designs, as eachmutations combine with one another to create surprising new creatures. Thisallows your herd to continue to evolve as you explore new areas. Story Driven Exploration: The Eternal Cylinder features a deep and engrossing story for players to uncover as they continue to explore the alien world. The game explores themes of family and heritage, and the lasting power of knowledge. Layered Survival: Players will need to manage multiple resource-layers in order to be able to survive. These include hydration level, various temperatures each with their own impact and stamina. Living and Breathing Ecosystems: The world of The Eternal Cylinder is populated with more than 30 memorable handcrafted alien creatures. These creatures vary greatly in size and range from those smaller than a Trebhum, all the way to skyscraper sized leviathans who dominate the horizon. Each of these creatures features their own dedicated Al and behaves in natural ways. Players must learn their unique behaviors and discover surprising ways to utilize the natural food chain to their advantage and interact with every creature. 4 Unique Biodomes to Explore: Each with their own dedicated ecosystems and unique creatures to discover. The Physical Edition includes: an exclusive 28-page Survivors Handbook with key creature information!