
Spiritus Astrum is a persistent, open-world, multi-player, roleplaying sandbox. It features an infinite, procedurally generated universe which players are free to explore without restriction. Spiritus Astrum is more than a game, it is a world.
60+ similar titles based on shared tags and player behavior. Themes include Simulation, Space Sim, Open World, Space.

Spiritus Astrum is a persistent, open-world, multi-player, roleplaying sandbox. It features an infinite, procedurally generated universe which players are free to explore without restriction. Spiritus Astrum is more than a game, it is a world.

No End
Explore a seamless endless universe with an uncountable number of galaxies, stars, planets, and moons. Make friends or enemies with unique alien civilizations. Research upgrades for your vessel with scientific phenomena and alien tech that you've acquired.

Starvector
Starvector is a massive story-driven procedural universe where you aren't the main character. Collect resources, craft technology, build custom spaceships and bases, and so much more in a universe that existed long before you arrived, complete with pre-existing factions, conflicts, and history.
Explore a seamless endless universe with an uncountable number of galaxies, stars, planets, and moons. Make friends or enemies with unique alien civilizations. Research upgrades for your vessel with scientific phenomena and alien tech that you've acquired.
Why similar: Space Sim 27.7% ★, Procedural Generation 12.2%, Sandbox 11.3%, Space 10.2%, Immersive Sim 9.5%
Starvector is a massive story-driven procedural universe where you aren't the main character. Collect resources, craft technology, build custom spaceships and bases, and so much more in a universe that existed long before you arrived, complete with pre-existing factions, conflicts, and history.
Why similar: Space Sim 16.5% ★, Immersive Sim 13.4%, Sandbox 11.1%, Space 9.6%, Crafting 7.5%
Space Travellers is a unique open-world sandbox space simulator set in the year 2343. Travel the galaxy, trade, explore unexplored worlds, fight, build bases and factories, forge alliances and experience new adventures!
Why similar: Space Sim 27.6% ★, Procedural Generation 13.7%, Space 12.9%, Immersive Sim 11.4%, Sandbox 9.9%
Survirail is a survival game from a first-person perspective. Travel through space by train, explore space stations, collect resources, fight enemy androids and develop your mobile base to survive and discover the truth.
Why similar: Space Sim 29.8% ★, Immersive Sim 12.1%, FPS 12.1%, Space 11%, Crafting 7%
A retro-future sandbox RPG set in a frontier era galaxy with procedurally-generated elements. Create, explore, trade, and battle to stake your claim among the stars of a wild galaxy!
Why similar: Space Sim 20.5% ★, Immersive Sim 11.9%, Space 10.6%, Sandbox 10.3%, Crafting 8.2%
First person space combat and exploration in an open world in a variety of star systems. Pilot ships, fight, run missions and trade.
Why similar: Space Sim 25.8% ★, Immersive Sim 12.5%, Space 11%, Procedural Generation 10.8%, FPS 10.2%
Explore the pixel cosmos, jumping from star system to star system. Land on fully procedural planets, and make them your home.
Why similar: Space Sim 23.6% ★, Space 13.8%, Sandbox 13.4%, Crafting 10.9%, Procedural Generation 10.2%
Deep Claims is a space exploration game where you upgrade your ship and equipment in order to mine increasingly valuable and hazardous asteroids. Can you make it to the core?
Why similar: Space Sim 24% ★, Sandbox 14.9%, Space 14.7%, Crafting 11.8%, Procedural Generation 10.6%
The airport is devastated. It’s up to you to bring it back to the state of usability and beyond! Grab your tools cause the forces of nature have taken over this place. Collect air-dropped loot crates, complete diverse missions, and equip this airport with everything it needs. Go international!
Why similar: Life Sim 22.2%, FPS 15.9%, Immersive Sim 15.7%, Open World 10.6%, Walking Simulator 9.6%
Funorbit is a space survival simulation with realistic physics, resource gathering, crafting, and building. Navigate a vast universe using orbital mechanics, encounter drifting meteoroids, and construct space stations to survive.
Why similar: Space Sim 24.7% ★, Immersive Sim 11.9%, Sandbox 11.1%, Procedural Generation 9.9%, Crafting 8.7%
In this multiplayer game you have to explore the Solar System in real scale. Control spaceships of the near future, explore planets, moons and asteroids, mine resources, fight for space domination and build the future of the universe.
Why similar: Space Sim 23.2% ★, Space 12.5%, Sandbox 10.6%, Immersive Sim 10.2%, Character Customization 7.3%
A hard sci-fi survival sim where each decision costs power. Every system drains your dying reactor. Pilot a crippled spacecraft across a real-scale solar system using true orbital mechanics, manage critical systems, and fight to reach Earth — where space itself is the only enemy you need.
Why similar: Space Sim 21.2% ★, Space 18.1%, Survival 10.4%, Sandbox 10%, Immersive Sim 10%
An open-world space exploration game. Explore, trade and fight to rise the ranks, discover new worlds and new species, and leave your mark on the Galaxy.
Why similar: Space Sim 33.2% ★, Space 18.1%, Procedural Generation 11.5%, Character Customization 11.1%, Exploration 9.3%
The conquest of the Solar System has begun – prove yourself as a space colonist! Pilot the spaceship, choose the planet you wish to inhabit and build your new home. However, remember that there are no rules or laws in outer space. Don't underestimate the danger and stay vigilant – enemies are near!
Why similar: Space 16.1%, Procedural Generation 14.4%, Space Sim 14% ★, Open World 10.6%, Sandbox 8.6%
As researcher with great ambitions, and lack of talent, you are sent to a newly discovered planet far away from civilization. In this VR first person survival, you will need to build an outpost and survive the hostile environment. While exploring the planet, unveiling its secrets.
Why similar: Space Sim 21.1% ★, Immersive Sim 13.3%, Space 11.4%, Sandbox 11%, Crafting 8.7%
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.
Why similar: Space Sim 24.1% ★, Immersive Sim 14.5%, Space 13.9%, FPS 13%, Exploration 7%
Orion’s End is space trading life sim. Trading, smuggling, pirate hunting, or pirating. Be a hero or a rogue. But also be a friend - there are residents on each planet who need someone like you to talk to, help them with quests, or to just gift them with loot from your adventures.
Why similar: Space Sim 20.7% ★, Life Sim 15.1%, Space 13.6%, Immersive Sim 11.8%, Sandbox 9.8%
Experience fast action, thrilling levels, spectacular explosions and lots of pew-pew-pew. Star Horizon is a reboot for the on-rails space shooter genre.
Why similar: Space Sim 23.4% ★, Space 21%, Sandbox 9.5%, FPS 9.2%, Sci-fi 8.2%
A creative sandbox adventure with a focus on exploration, discovery and survival. Shape your worlds, build, mine, and farm. Expand your reach and travel to other worlds using your ship, and worm holes!
Why similar: Space Sim 22.1% ★, Sandbox 12.9%, Space 12%, Crafting 10.6%, Procedural Generation 10.6%
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.
Why similar: Space Sim 28.8% ★, Space 14.3%, Procedural Generation 14.2%, Sandbox 9.7%, Open World 8.6%
Vacuum space junk, polish derelict ships, and clear alien worlds of debris as you upgrade your high-tech cleaning gear.
Why similar: Space Sim 27.5% ★, Space 15%, Life Sim 14.3%, Immersive Sim 10.9%, Sandbox 10.3%
Above Earth is a science fiction survival game. Experience a struggle for life in the fragile artificial environment of a damaged space station.
Why similar: Space Sim 19.3% ★, Space 15.6%, Procedural Generation 13%, Immersive Sim 12.3%, Life Sim 10.4%
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.
Why similar: Space Sim 23.4% ★, Space 14.9%, Sandbox 10.8%, Immersive Sim 10.2%, PvE 10%
You find yourself in a distant galaxy full of merchants, diplomats, bandits and powerful factions. Explore unknown galaxies, trade, fight pirates or become one. Uncover mysteries and shape the universe!
Why similar: Space Sim 41.8% ★, Sandbox 17.7%, Exploration 10.4%, Space 7.4%, RPG 7.3%
A single-developer passion project. A seamless full scale solar system. Thrilling action. Be part of an incredible journey as a Universe is built from the ground up!
Why similar: Space 27.5%, Space Sim 18.9% ★, Sandbox 13.6%, Open World 13.1%, Exploration 10.5%
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.
Why similar: Space Sim 28.3% ★, Space 13.9%, Procedural Generation 11.2%, Sandbox 9.9%, Immersive Sim 9.5%
Experience a 1:1 scale, procedurally generated universe with seamless exploration from planets to stars. Journey across the cosmos with zero loading screens and realistic Newtonian physics. Trade, fight, and survive in a post-apocalyptic galaxy where gravity is your only boundary.
Why similar: Space Sim 31.3% ★, Procedural Generation 13%, Space 11.4%, Sandbox 9%, Immersive Sim 9%
Welcome to this innovative sci-fi open-world! As the last survivor of humanity, build a home on a wild alien planet. Reignite civilization—from primal survival to advanced energy systems. Use the Planetary Control Module to reshape the world, uncover human secrets, and journey back to Earth.
Why similar: Space Sim 25.2% ★, Sandbox 17.6%, Space 17.1%, Open World 10%, Crafting 9%
Main Sequence is a space-sim factory builder where your goal is to build an interstellar industrial empire. Collect resources, automate production, and expand your fleet of ships in order to survive and leave your mark on the galaxy.
Why similar: Space Sim 29.9% ★, Space 13%, Sandbox 8.6%, Crafting 7.9%, Immersive Sim 7.4%
First person single player 3D Sci-Fi adventure in space
Why similar: Space Sim 32.7% ★, Immersive Sim 18.5%, Procedural Generation 11.7%, Exploration 9.6%, Space 8.5%
No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe.
Why similar: Space 17.9%, Space Sim 14.6% ★, Procedural Generation 12.2%, Open World 11.8%, Sandbox 8.9%
Don your space helmet and fire up your star drive as you blaze a trail across the stars in this 1980s inspired space exploration game.
Why similar: Space Sim 32.1% ★, Procedural Generation 14.5%, Space 9.9%, Open World 9.7%, Immersive Sim 8.1%
Venture into the depths of space and leave your legacy among the stars. In Star Legacy, explore galaxies, upgrade your ship, and survive on unknown planets.
Why similar: Space Sim 38.3% ★, FPS 15.9%, Immersive Sim 14.2%, Space 8.2%, Exploration 7.6%
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?
Why similar: Space Sim 25.6% ★, Space 14.3%, Sandbox 13.2%, Crafting 10.9%, Survival 7.6%
Warspace 2 is a 1-4 player CO-OP space shooter with RPG elements, open-world and procedurally-generated galaxy. You can trade, craft, and fight your way through a universe, either solo or with friends.
Why similar: Space Sim 24.9% ★, Space 13.2%, Sandbox 13.1%, Procedural Generation 10.3%, PvE 9%
Gravity and exploration sandbox
Why similar: Space Sim 29% ★, Space 14.5%, Sandbox 12.2%, Immersive Sim 12%, Procedural Generation 11.2%
A futuristic sci-fi persistent universe exploration game with one million stars and 18 million planets and moons. Fly your ship to any star and explore its solar system. Claiming stars, planets and moons will make them yours forever - other players will see your discoveries and you will see theirs.
Why similar: Space Sim 42.8% ★, Space 11.7%, Procedural Generation 10.9%, Simulation 9.5%, Exploration 9.2%
Crewman, you are lost in deep space and threats are lurking everywhere. Survive and bring you and your allies back to known space. It's in your hands!
Why similar: Space Sim 25.9% ★, Space 20.6%, FPS 20.4%, Survival 10.6%, Exploration 8.1%
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.
Why similar: Space Sim 27.6% ★, FPS 12.8%, Immersive Sim 12.7%, Sandbox 10.9%, Exploration 7.1%
Survive the void in Null Hørizøn. Trade, fight, and explore a retro-futuristic 3D galaxy with 2D sprites. Upgrade your ship, smuggle goods, and travel across the universe. Tactical Real-Time combat meets Grid-based exploration in this atmospheric space sim. The Null Hørizøn calls, Captain.
Why similar: Space Sim 35.9% ★, Sandbox 12.8%, Space 10.9%, Exploration 7.1%, Crafting 6.4%
Survive and Escape! Crash-landed on an asteroid, your oxygen is running out. Explore, mine precious resources, build a base, and repair your ship to survive the dangers of space. Do you have what it takes to escape?
Why similar: Immersive Sim 19.1%, Sandbox 16.1%, Space 13%, PvE 12.4%, Exploration 9.2%
PlanetS is a space-themed open world game, allowing the player to explore the mysteries of the universe and various planets. First or third person camera, Craft system, flight simulation and online multiplayer.
Why similar: Space Sim 28.5% ★, Sandbox 13.5%, Space 11.8%, Crafting 7.6%, RPG 6.5%
Enter an infinite‑loop laboratory and retrieve uncontaminated extraterrestrial samples, and ultimately achieve your mission objectives.
Why similar: Space Sim 27.1% ★, Immersive Sim 18.7%, Walking Simulator 17.3%, Space 10.8%, Exploration 7.8%
Darkstar One offers a fantastic amount of freedom of choice. The story-based missions gradually lead you deeper into the galaxy to new races, new technologies and ever stronger opponents. Explore a vast array of solar systems in search of hidden artifacts of ancient races, essential objects for upgrading your ship--the Darkstar One.
Why similar: Space Sim 37.9% ★, Space 28.3%, Sci-fi 9.3%, Open World 9%, Exploration 6.9%
A vast 6 handred-square-kilometer world evolves gradually step by step from the wild primitive age all the way to the advanced interstellar age, where countless spaceships are carefully built one after another to boldly explore the boundless outer space.
Why similar: Space Sim 20.5% ★, Space 20%, Crafting 12.8%, Survival 12.5%, Sandbox 8.3%
Become the Captain of an interstellar cruiser and journey across the galaxy to save the Republic. During your journey you will have to make important decisions, improve the weaponry of your ship and fight against numerous enemies.
Why similar: Space Sim 31.9% ★, Space 25.1%, Sandbox 10.1%, RPG 8.7%, Sci-fi 6.4%
Drifter is an open-world sandbox space trading game with a procedurally-generated galaxy 100,000 light years across made up of tens of thousands of star systems to explore and features an original soundtrack by composer Danny Baranowsky.
Why similar: Space Sim 22.8% ★, Space 22.7%, Sandbox 17.4%, Procedural Generation 11.4%, Open World 9.5%
Take control of your own starship and blaze your trail in an ever-changing galaxy. Master the arts of combat, mining and trade or venture out into the unknown across a 1:1 scale universe.
Why similar: Space Sim 40.8% ★, Space 19.9%, Open World 10.9%, Exploration 6.7%, Sci-fi 6.5%
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.
Why similar: Space Sim 29.9% ★, Space 15%, Sandbox 12.9%, FPS 11.7%, Survival 7.7%
Crash-land onto a unique and hostile alien world and begin your fight to survive. Face its inhabitants, upgrade your technology, create outposts & bases, and find a way to repair your ship. Explore the beautifully strange terrain, all while blasting and crafting your way off of the planet.
Why similar: Space Sim 20.8% ★, Space 14.4%, Crafting 9.5%, Open World 9.2%, Sandbox 8.7%
A sci-fi survival game with a twist. Set in a sub-orbit of a black hole, collect materials and scavenge wrecks in order to repair your damaged ship. However, time is not on your side.
Why similar: Space Sim 35.8% ★, Space 15%, Survival 10.6%, Crafting 8.6%, Open World 8.2%
MICROVERSE is a sci-fi action/adventure game. It includes weapons such as laser pistols, melee weapons and a 'merchant center' where you use in-game credits to buy new weapons and upgrades.
Why similar: Space Sim 37% ★, FPS 17.2%, Space 11.5%, Open World 9.7%, Exploration 9.4%
WarpedSpace is a sci-fi survival adventure game set in deep space. A massive, open environment full of wonder and peril awaits you!
Why similar: Space Sim 26.8% ★, Space 12.6%, Crafting 10.9%, Sandbox 10.2%, Open World 8.8%
Design, craft, and trade robots on the frozen world of Xylaris-9. Serve factions, upgrade your facility, and shape your robotic legacy in Robodeal Simulator.
Why similar: Space Sim 30.7% ★, Life Sim 15.8%, Sandbox 14.5%, Immersive Sim 11.9%, Simulation 6.7%
You are the last living organism in the galaxy. Adrift and alone in a cold dark world you must scavenge for resources to keep your ship running, and arm your ship to prepare for the swarms arrival.
Why similar: Space Sim 28.1% ★, Space 21.5%, Crafting 13.9%, PvE 12.1%, Survival 11%
In celebration of the 25 yr anniversary of the first release, this compendium contains all 4 games in the Battlecruiser 3000AD series which was first released in 1996.
Why similar: Space Sim 33.6% ★, Space 14.7%, Immersive Sim 12.3%, Sandbox 12.1%, Exploration 7.5%
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.
Why similar: Immersive Sim 17.2%, Walking Simulator 13.5%, Procedural Generation 12%, Crafting 11.5%, PvE 10.1%
Step into Haven-1, the world's first commercial space station. Unlock its hatch to navigate through the interior of the station, where you can interact with the storage area, the crew quarters, the Haven-1 Lab, and a stunning, 180-degree view of Earth.
Why similar: Space Sim 42.4% ★, Walking Simulator 19.5%, Immersive Sim 17.8%, Space 17.3%, Simulation 3.1%
Starlight Brigade is a realistic space action-adventure game with a precise combat system and full 6DOF controls. You command the Wayfarer, an aging light cruiser centuries past her time. Plot missile salvos, hunt down your enemy, design munitions, manage your crew, and send engineers to fix damage.
Why similar: Space Sim 27.1% ★, Immersive Sim 16.4%, Space 15.7%, Sandbox 14%, PvE 10.2%
You wake up on a deserted space station on the orbit of unknown planet. How did you come here? What happened with crew? What is happenning here? You have to find out. And also you have to survive here because the station is fraught with many dangers.
Why similar: Space Sim 33.1% ★, Walking Simulator 22.8%, Space 20.6%, First-Person 7.6%, Sci-fi 7.4%