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.

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

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.

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?

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!

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!

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.

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!

Face fire demons and battle the fury of nature in a disaster extraction survival set in the shadow of an erupting volcano. Wield tactical extinguisher weapons and fantastic retro inventions. Expand base, dive into mystical tales, rituals and unexplained phenomena, while rescuing people and animals.

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.

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.

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.

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?

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.

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.

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.

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.

Jon Munro, ex-officer seeking his family; Alisa Rinaldi, rebel mechanic; Nikolai Kowalski, cunning smuggler; Trace, jailed robotics prodigy. United in a prison escape, they command the Warship Jolly Roger, dodging galactic authorities in an epic space opera game.

An open-world survival game. Use your environment to craft items and structures. Physics based with weather and day/night. More than 50 different animals. Combat and non-combat activities fishing.

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.

The ultimate space capital ship combat compendium is the evolution of hard core space combat sims. The only game of its kind currently in existence.

A fugitive hunter made a terrible mistake by taking the life of a pureblood animal, but Mother Nature didn't let it go, the forest spirits punished him. Now he will brutally fight for survival in a cursed indigenous forest. Are you able to survive?

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.

This is a game set in space and focused on trade of resources between spaceships and space stations.

Woolly’s World is a first person colony builder game

First-person narrative adventure in the unique blending of survival, build&craft, and economic strategy genres.

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.

Embark on a journey of survival, crafting, and automation in Eden Crafters, a solo and 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!

Explore a planet with your friend or alone, upgrade yourself and try to return to Earth in your adventure that begins with your spacecraft sent by "Space-T" to explore other planets!

In the distant outer space, there's an exp base. Aliens turn humans into animals with a catalyst for their needs. Different catalysts cause different forms. You're a human who escaped. While exploring and fleeing, you reveal the truth in the lab.

Embark on a space voyage with your ragtag crew of civilians in search of a new home. Build spaceships tile by tile, create optimal gas conditions, manage the needs and moods of their crew, encounter other space-faring groups, and explore the universe in this spaceship colony simulation.