Top similar games like The Alters:

Land on a new planet as a space refugee. Craft items, build bases, and battle aliens to survive. Pioneer your future in this online survival RPG.

Come face to face with the dangers that await your crew on a distant planet with extreme temperature conditions. Gather resources, explore, defend against aggressive flora and fauna, develop technologies to survive and leave the planet.

A simulation of rebuilding a planet after it has been almost completely destroyed. Your task is to make the earth fit for human life again. Survive, build and explore!

After a black hole incident, you're stranded in space with fading oxygen and unanswered questions. Explore haunting environments, uncover hidden truths, and piece together the fate of your crew. Can you survive long enough to confront the dark secret that awaits?

Speck Miner is a small, open-world survival game set in a universe of tiny, procedurally generated planets.

A sci-fi colony management sim with a focus on exploration, expansion, and survival. Rebuild your underground facility, manage colonists and robots, and uncover the mysteries of an alien world light-years from Earth. Dig deep, expand across the surface, and shape your new home.

Build your own Dyson Sphere in this free to play era from the full game Grand Emprise: Time Travel Survival. A base building crafting survival adventure!

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.

Far Horizon is an action-adventure RPG set in the far reaches of space where floating islands, beautiful vistas, and alien creatures await. Embark on an epic adventure of exploration, ingenuity, and survival as you loot, shoot, and craft to forge your destiny among the stars.

Waking up alone in a derelict terraforming facility on an unknown (and distinctly not terraformed) planet, it's up to you to find a way to survive, learn what happened to the people who lived here and why you were abandoned in this narrative-driven incremental game.

A first-person survival game set on a post-apocalyptic, ecologically ruined Earth. Play solo or with up to 3 friends as you build, upgrade, and fly a high-tech airship. Scavenge resources, craft tools, and face dangers on the surface as you hunt for a cure to save humanity.

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.

Dark Era is a cosmic survival strategy game set 10^40 years in the future. Manage a space outpost around a black hole, navigate factions, and aim to restart the universe. Explore, gather resources, and build a new future in a dying cosmos. Will you reignite the stars or face eternal darkness?

Eternal Space is a city builder and space exploration/combat game. Explore the Eternal Space, and manage your city while you fight pirates, or maybe even become a pirate! Keep your citizens happy, and collect taxes from them each year for a little bonus!

Create an automated system that terraforms a planet with an army of drones. Craft and build bases, set up a weather monitoring system, prepare to survive different types of storms, and take control of the climate and biomes!

Sanguinite is a lunar-lander-meets-twin-stick-shooter action game with elements of resource management and exploration. Equip your remote drones and explore the dangerous surface of distant worlds. Bring resources and artifacts back to your ship. Investigate the origin of the aliens you encounter.

Geminum is a narrative-driven sci-fi anthology.By the year 3000, Earth has entered the Cryocene.Surface temperatures have plummeted below -150°C, leaving humanity with a harrowing choice: seek shelter in underground bunkers, or venture into the vast unknown aboard deep-space colony ships.

Cleanse the system of pirates, destroy their bases and free the captives. On the asteroids, build a base, mining colonies, explore asteroids and extract resources needed for survival. Develop buildings, build defenses and turn the asteroid into a fortress.

Rogue Bot Adventure is an on-rails 3D platformer. Your goal is to collect the 10 parts of your ship and escape the enemies and hazards of this mysterious planet, including robots, lasers, acid, meteors, and more. Jump, slash, and reflect using your ancient artifact.

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?

Set on Europa in 2224, Subzero Tides blends near future hard science with unique long horizon geoengineering, economic realism and corporate diplomacy, offering a fresh alternative to grounded, post collapse survival scenarios.

Peasant Uprise sets a group of peasants on a deadly quest against the new lord that has taken over their province. Unskilled in the arts of war, they will use their only known skills and tools to regain control of the Province of Swayne.

Build floating automated rigs in a volatile gas giant. Extract elements, synthesize compounds, and descend through atmospheric layers in this sci-fi systems-builder focused on chemistry, engineering, and survival.

Explore alien planets with carefully designed ecosystems, weather, resources, dangers and unique phenomena. Hunt animals for food and collect resources to craft equipment and repair devices on your ship. Escape each unique planet and unlock crew members and new ships.

Cyberwinter is an isometric action strategy game. On a distant planet with a harsh climate, you have to fight legions of dangerous monsters for a new home for humanity. Build bases, develop and defend them.

Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive.

Untitled Automation Game is a unique blend of story-driven automation and combat with soul-like elements. While the genre mix may sound unusual at first, every mechanic is seamlessly integrated into a cohesive and immersive experience.

Survival on Kepler is a race against time. Make the most of the remaining 168 hours or get turned into an unworldly being by the Sphere. Complete quests to help NPCs, explore the diverse landscape, survive wildlife and other players. Uncover Kepler’s mysteries and your mission’s true goal.

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.

Defend your base across four unique worlds in this 3D tower defense game. Battle waves of monsters, conquer 20 campaign levels, and climb the global leaderboard in the endless mode.

Guide a group of space settlers trying to establish a base on a remote planet. Grow food, collect energy, mine resources, survive disasters and build a self-sufficient colony in a harsh and unforgiving environment.

Woolly’s World is a first person colony builder game

Ancient Space is a story driven single player real time strategy game where you take command of a fleet embarking on a scientific mission to chart undiscovered reaches of space called ‘The Black Zone’. Overcome overwhelming odds and fight for your life and the survival of your ship and its crew.

Build, craft, expand and defend your underground base. Design a deadly killroom packed with traps, turrets, and barricades to repel relentless enemy waves from above. Grow food, attract settlers, and turn your bunker into a thriving, fortified colony.