Top similar games like Untethered:

Red Planet: Survive is a first person survival game for Microsoft Windows. Surviving in the harsh conditions of the Red Planet will be hard, but if you are strong enough, you will succeed. Find the best way to survive, but be careful, since each wrong step will ensure your demise. The environment is your main enemy.

Grab your jetpack and explore procedural asteroid fields, derelict spaceships and abandoned outposts. Build your Space Rig to process scavenged trash. Craft, trade and fight your way home in this interstellar, open-world survival sandbox.

After a mysterious accident you are left are stranded, floating through space on a piece of a space station. Craft supplies and Hubs to expand what is now your home. But be warned space is a dangerous places where one mistake can mean certain death. Can you defy the odds and survive in space?

100000 years after the apocalypse, a mysterious entity guides you to build a factory on a desert island...

You are the lone survivor orbiting a potential new home planet, tethered to what’s left of your ship. Gather nearby debris and assemble a make-shift vessel in an attempt to survive the harsh realities of space. Maybe you'll live long enough to uncover the truth behind the ship's malfunction...

Evolution Survival is a survival game where the universe evolves around you. The plants and animals you saw at the beginning will be different at the end, They may not even be there, the star may have gone supernova or shrunk into a white dwarf. Who knows when Natural Selection is at the wheel!

Embark on a journey of survival, crafting, and automation in one of the planets you can transform in Eden Crafters – an upcoming co-op, open-world game that challenges you to turn a hostile planet into a habitable haven for humanity.

Construct, maintain, manage and upgrade the fleet of your space robots in this sandbox crafter. Build the base, gather resources and automate to succeed in your mission in a unique robotic spacesim.

Forever Skies is a first-person post-apocalyptic survival game. Return to Earth, ravaged by an ecological disaster. Fly, upgrade and customize your mobile high-tech airship base. Scavenge resources to survive, face dangers on the surface and hunt for viral pathogens to cure a mysterious illness.

Embark on a Colony in Space. Build a base to ensure your colonists survive. Explore, mine resources, craft items, and thrive in a realistic atmospheric and electrical simulation. Watch out for potential dangers before it’s too late!

You wake up alone in a damaged space station with no memories. To get out of here, you will have to build your own spaceship. But survival comes first: gather resources, build a base and a factory out of gear and steam, and explore hand-crafted planets with unique biomes and resources.

A riveting space survival adventure. Stranded on a hostile planet, scavenge resources, craft tools, and navigate dangers. Explore a vast, procedurally generated universe, forge alliances, and confront the mysteries of deep space. Will you conquer the cosmos or succumb to its perils?

Remains - survival in outer space orbiting the planet. Explore the area. Find a way to restore oxygen. Create tools for your needs. Beware of the dangers of outer space. Build your shelter in orbit and try not to die!

Abiotic Factor is a survival crafting experience for 1-6 players set in the depths of an underground research facility. Caught between paranormal containment failure, a military crusade, and chaos from a dozen realms, the world’s greatest minds must survive against the universe’s biggest threats.

Voidless is a sci-fi space survival sandbox set in the near future within a realistic scale solar system. In first or third person, players can explore planets and asteroids, collect resources, and craft items. As well as building bases and ships, all with physics based flight and combat.

Stationeers puts you in control of the construction and management of a space station to run by yourself or online with your friends. Complex atmospheric, electrical, manufacturing, agriculture, and gravitational systems require your thought and management at all times!

INTERASTRA is a fully immersive first-person sci-fi survival adventure game set in outer space. Discover unknown planets differing in weather conditions, resources, and various mysteries. Craft necessary equipment, launch, and control space rockets, explore the universe, and survive among the stars.

Stardeus is a deep colony sim set on a broken starship manned by drones and hibernating human survivors. As the AI, have your drones repair your ship, save your crew and travel the stars in this beautiful simulation.

The Last Starship is a space-based construction, industry & factory game, currently in Alpha (expect regular free updates). Design star ships and take on a variety of missions from mining and passenger rescue to combat whilst working on the greatest engineering project ever attempted by humankind!

Unlimited is a new generation voxel world game in a mysterious universe. Together with unlimited possibilities and an immersive story, we aim to make the best voxel world game. If you enjoy any other voxel game, you will probably enjoy this game even more.

A game of aerospace industry and interplanetary exploration.

Hostile Mars is a factory-building game focused on combat! Explore an open world and discover new tech to unlock powerful weapons and structures. Create efficient supply chains using delivery bots. Salvage destroyed enemies for resources. Design your base to withstand increasing waves of enemies!

Triton Survival is an open world survival game about exploration, construction, engineering, and fighting on planets. Embark on this interstellar adventure and conquer the galaxy. Are you ready?

You were deep in uncharted space on a research mission. Disaster struck. Together with your friends, explore a mysterious asteroid field and mine whatever resources possible to build what you need to survive.

Set on small procedurally generated planets, PoliPlanet is a unique first-person city building game. Discover new planets, gather resources, craft, explore, and build.

TerraTech Worlds is an open-world, PvE survival game set on an uncharted alien planet. Explore, mine, build, craft and battle your way through natural hazards and dangerous enemies, to harness the power of your environment. Play solo or up to 6 friends via online co-op, and get ready for adventure!

Camping Simulator lets you experience what camp means by preparing your backpack wisely for challenging conditions of nature. You can play all the experiences with up to four friends in multiplayer mode or single player mode.

A space survival open world terraforming crafting game, designed for 1 to 10 players. Alter the ecosystem of an inhospitable planet to render it habitable for humanity. Survive, gather resources, and build your base. Then, generate oxygen, warmth, and pressure to create a brand new biosphere.

Honeycomb: The World Beyond is a survival-sandbox game set on an exuberant planet – Sota7. Explore its vast world and face challenges on your bioengineering journey. Crossbreed plants or animals, gather resources, craft items, and conduct experiments in order to develop new species.

Medusa Frontier is a science fiction survival game being developed with a custom engine. Development is currently focused on resource gathering and base building on small test map.

Survive and colonize Mars in a highly technical, open-world sandbox game. Build and upgrade your base, discover new regions, conduct mining operations, retrieve water, generate oxygen, grow crops, and fix broken parts.

Build your dream Chocolate Factory among candy cane forests and gumdrop hills to produce the tastiest sweets. A delicious first-person factory automation game with a little exploration and combat. Confectionary conveyor belt heaven awaits! The free prologue for the full game!

Build your dream Chocolate Factory among candy cane forests and gumdrop hills to produce the tastiest sweets. A delicious first-person factory automation game with a little exploration and combat. Confectionary conveyor belt heaven awaits!

Embark on a journey of survival, crafting, and automation in Eden Crafters, a co-op, open-world game that challenges you to turn a hostile planet into a habitable haven for humanity. Temper the climate, create a breathable atmosphere, and turn toxic lakes into water: shape a new world!

While searching for a new home, an unexpected failure in your ship has left you stranded on a planet surprisingly similar to Earth. Discover a vast open world, hunt for food, develop technologies, and build yourself a new home to survive!