Top similar games like The Alters:

A research spaceship reaches an abandoned planet. Nothing is what it seems here and the situation quickly slips out of control. Can the crew manage to survive and get back home?

Project: Aurora is a survival adventure with a focus on exploration, exquisite storytelling with base building on planet and resource management. You are a captain of the research mission. Build a base, discover technologies, explore, learn the secret of Aurora to survive in a hostile environment.

Subzero Tides is a sci-fi colony builder set on Europa moon. Build a self-sustaining colony, harness geothermal vents for power and manage colonists. Experience a compelling blend of exploration, survival, and strategic decision-making.

Atmosfar is a sky-high odyssey set on an alien planet of floating islands explored by flying crafts and a mobile airbase as you uncover the fate of your collapsed colony.

You are Korda, the Chronomaster. You must re-start time and right the wrongs of a war-plagued past in this epic quest for vengeance. Journey through man-made "pocket universes" full of cyborgs, pirates and witches who provide deadly puzzles. It's up to you to return justice to the stars.

Inno World - interesting sandbox, there you can change landscape as you want.

Astero Inc. is a space mining simulation game where players will travel to a dystopian future in a tense competition for asteroid mining rights throughout the universe. Take on the role of a small business owner in an all-out fight against the mighty Black Corp.

The year is 2033. You, an ex-Marine with little opportunities left, have signed up with Utopia Arura, a large mining corporation on Mars. They have sent you to a location they have proposed but you have chosen for mining. Everything else is up to you.

Create complex factories in the story-driven development game, LithoBreak. Step into the grav-boots of Eli (Sam McMurray), a moon mining inventor keeping SARA (Julie Ann Emery), an illegal AI, safe from the Verse. Explore a space station, collect resources, and build intriguing production systems.

Stranded in deep space, you must survive against all odds. Scavenge from wreckage, process resources, and build your own space station - a refuge in the most hostile of environments.

The year is 2040. You, an ex-sergeant, have signed a contract with a large mining corporation in the Belt. Mine ore, build out your outpost, travel to nearby asteroids and collaborate with other belters.

Survive in the skies of Venus with your floating colony as you balance buoyancy, mass, and altitude. Launch balloons and probes to explore the planet while harvesting resources from the atmosphere. Build up your colony and thrive in a simulation based on real science. Venus awaits.

Sphere – Flying Cities is a sci-fi citybuilder which combines strategy, simulation, and survival elements in an extraordinary and immersive scenario. Rebuild and protect a society in a unique and hostile environment. Pay the price for your decisions and be prepared to lose everything.

Find out what happened at the station, which had lost contact with the Earth. EMI – the artificial intelligence of the station – will help you to solve the mystery. But be careful. You are not alone on the planet...

At the heart of an underground world, take control of a Slider to help ISA deploy her roots to reconnect with her past and escape from the planet where she is trapped.

You're an alien in outer space, hunting for new planets to conquer. However, it won't be easy. Standing in your way is a competing alien species' intelligence injection. Steal it, and win the battle for intelligence in outer space.

Out There: Oceans of Time is a space exploration game that puts you at the helm of an interstellar mission of discovery spanning a vast and vibrant cosmos.

A space survival open world terraforming crafting game. Transform the ecosystem of a hostile planet to make it livable for humans. Survive, collect, build your base then create oxygen, heat and pressure to make a brand new biosphere.

Rethink human’s dominion in The Invincible: a story-driven adventure set in a hard sci-fi world by Stanisław Lem. Discover planet Regis III as scientist Yasna, use atompunk tools looking for a missing crew and face unforeseen threats. Make choices in a philosophical story that’s driven by science.

Dive into Asterminer, a serene, atmospheric journey in space. Control a mining ship, train, and operator on distant planets and asteroids. Gather resources for your loved ones in this immersive, slow-paced, grounded sci-fi adventure.

Lead a rebellion against tyranny in this open-world, survival sci-fi RPG game. Utilize alien technology to explore, build bases, craft, and farm. Prepare for an unequal combat to rescue humanity from tyranny and a mysterious deadly virus.

Attempt to escape the "Spear", a prison train, after a self-induced coma. Hack, gather resources and train (yourself) to cover your getaway. But beware, wishes have a habit of becoming true. Embrace the dark atmosphere of Carbonflesh, a time management amalgam of intricate yet familiar mechanics.

Explore the Solar System. Mine and drop asteroids. Colonize and terraform. Lead the space race and compete with other corporations on your way to profit. Watch the expansion of human race over the centuries. Then go beyond and conquer the galaxy!

Lodestar sends you and your squad of friends on your own space odyssey. Traverse multiple planets in a journey to get home without losing yourself or your ship to the perils of the unknown! Solve puzzles, gather resources, mine asteroids, and survive... with your own oh-so welcoming AI sidekick!

Afterglitch is an experimental third-person exploration sci-fi video game. The player is an astronaut whose multidimensional journey to find an extraterrestrial civilization is more important than the destination!

After the supernova explosion, the Thermian race was destroyed. All knowledge, technologies and data about the past were lost. You must to restore civilization and explore the territories of your home system in search of lost technologies and artifacts.

Starsand is a mystic survival game set among the dunes of an arcane desert. An open-world full of danger, vast environments and mysterious happenings await you! Explore, hunt, craft, build – and SURVIVE.

Mars has been colonized, and Earth's corporate titans fight to dominate this new market. Competition is fierce in this fast-paced economic RTS from Civilization IV Lead Designer, Soren Johnson.

Escape the confinement of the space station and restart the systems to gain freedom. Cooperative Escape Room style game to challenge yourself and your friends. Seven rooms to solve the amazing and challenging mysteries before the timer runs out!

Collect minerals for the rocket repair and save the robot.

Answer the call from a mining base on Mars as engineer Jack Leary and search for the missing crew. Fort Solis will immerse you with cinematic visuals powered by UE 5 and voice acting of Roger Clark and Troy Baker. Explore the mining complex and reach climax of this narrative thriller experience.

Help humanity to spread throughout the cosmos by exploring new worlds, building space factories and setting up trade routes. Research advanced technologies to increase efficiency and unlock new paths of development. Fight off other artificial intelligences in your goal to reach the Final Upgrade!

You must overcome the anomalies occurring in space.

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.