Top similar games like SpiritusAstrum:

Ostranauts is a hardcore noir space-sim. Manage life aboard your ship, and beware the cost of every decision you make. Scavenge and explore the boneyard. Create, build, and customise your ship. Hire a crew to help but remember, nothing is more certain than death and taxes.

QANGA: Dive into a sci-fi adventure of exploration and resilience across the cosmos. Merge your mind with a state-of-the-art cyborg crafted by ICLab's Industry labs, and journey through this expansive universe!

Star shelter is a space survival game built from the ground up for VR. You are stranded in space, you must climb around in Zero-G, explore, scavenge, craft, hack and fight to survive. You have to build, arm and upgrade your own space station in order to escape the cosmic graveyard.

Space one has been postponed at this time.

Stars End is a multiplayer sci-fi survival game set hundreds of years in the future in a star system colonized by humans. Come and join us for crafting, construction, missions and PvP on the wild frontier...

A virtual world Primus with different cultures and worldviews. At Primus, you can enjoy a life different from the real world. Why don't you come to the virtual world Primus for new encounters and unknown experiences that you really wanted to do? This game is an open world walking simulator.

Take command of your own colonial ship. Ensure the survival of your inhabitants and try to find a new habitable planet. This is the goal of the the Exodus H Space Commanders.

Fractured Atmosphere is an atmospheric VR exploration game. Scour abandoned spaceships and avoid hazards in your search for valuable items. Send crew to dangerous environments where each ship you explore will help to paint a picture of this universe and the people who live here.

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!

Wildstrive - is an open-world first-person survival game. Craft tools, build a camp, harvest crops, explore the land, tame and fight wild animals. Challenge nature and solve the mystery of the lost island!

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?

Precursors, predecessors, the legend of galaxy… Who are carrying the forebear’s genes among existing races, we can suppose only… Worlds of galaxy are everlasting, beautiful, unique and dangerous. Some of them are inhabited, some ruined and deserted, other - just a smugglers trans-shipment stations.

Desktop and VR interactive space experience/game. Fan homage to SpaceX's efforts of inspiring humanity to finally become a spacefaring civilization! Experience launches, flights and landings of starships first-hand, engage with challenging mini-games, explore funny memes and more. :-)

Welcome to our sci-fi space adventure, where players take on the roles of a crew aboard a spaceship as they work together to survive in the vast and dangerous universe.

Sigma World Online - is an online sandbox with a huge world from many star systems. Choose who to be: space explorer, miner, merchant, farmer, culinary specialist, scientist, builder or hunter, or build your empire.

Explore a vast universe, uncover the mystery of humanity's demise, gather resources, build bases, and scan the unknown. Your journey awaits in this post-apocalyptic sci-fi adventure.

Mushroom Collector Simulator is a mushroom picking simulator that involves you in the hunt for many different mushrooms that grow in the wild. Collect mushrooms, enjoy walks through the forest, complete missions, upgrade your hut and equipment.

Above Earth is a science fiction survival game. Experience a struggle for life in the fragile artificial environment of a damaged space station.

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.

Build and explore in a true space sandbox survival adventure. Construct mighty capital vessels, sprawling planetary settlements, and vast space stations in your galactic journey to discover the mysteries of Empyrion!

Explore a scientifically accurate Milky Way galaxy and discover distant uncharted worlds, while having unrestricted access to every deck of your Magellan Class deep space exploration vessel. Interact with numerous fully simulated ship systems, or simply relax in the bar and watch the stars drift by.

Embark on an odyssey beyond the stars in "Further," a spellbinding virtual reality adventure that defies the limits of space and imagination. Assume the role of Alex, a fearless protagonist thrust into an interstellar realm of trials, puzzles, and encounters with extraterrestrial entities.

Planets, aliens, resources, upgrades, caves, mapping & documenting star systems ... seek a new home for the human race. An all-inclusive (admittedly janky) procedural space-sim made by solo developer Schmidt Workshops.

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.

As an engineer stranded in an alien star system, scavenge parts and build equipment to fight your way back home. Work with (or against) the laws of physics in MEANWHILE IN SECTOR 80 to turn trash into survival.

An exploration and building game inspired by Minecraft and LSD Dream Simulator.

No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe.

On the harmstead you sow crops by day, plough hordes of alien pests by night, and spelunk the “Very Dark” depths whenever you damn well please. This bloodthirsty alien planet doesn’t want you here, but you’re a robot in a tractormech so what do you care?

Is an immersive adventure that challenges you to explore unknown dimensions, solve intricate puzzles, and make choices that impact the unfolding mystery. Dive into the unknown, uncover hidden secrets, and prepare for an experience that could change everything you thought you knew.

Starbase is a hybrid voxel/vertex-based space MMO with a fully destructible and infinitely expanding universe, with a focus on building and designing spaceships and stations, exploration, resource gathering, crafting, trading, and combat.

Imagine yourself as a noble space pirate, back in the days when the space empire was just beginning to rise. Traders, explorers, and colonists were being sent to every known inhabited system. Defy laws and rules to find your way among the stars...

-HOME- Survival is an open-world game that is a unique combination of first and thirt person shooter, survival, crafting, and role-playing games. Experience your own path. Whether it's building the home of your dreams, tending to your crops and watching the sun go down...