Best Space Sim Games on Steam

Unlike generic lists, our game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated space sim games.

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PULSAR: Lost Colony The co-op open-world space sim where everyone has a role! Pilot the ship. Reroute power. Launch nukes. Explore alien planets. Research new talents. Work together to find the Lost Colony! ...or just deliver some biscuits

Price -51% 9.59€
Rating 8.7
Release 22 Jun 2021
Galactic Mining Corp Galactic Mining Corp is a unique rogue-lite, action game with crafting and base building mechanics. Head into uncharted space and discover a universe of locations to exploit for riches! Use your profits to expand your HQ, hire a crazy work force, obtain new drill components and upgrade everything.

Price 10.99€
Rating 8.0
Release 18 May 2021
Dyson Sphere Program Build the most efficient intergalactic factory in space simulation strategy game Dyson Sphere Program! Harness the power of stars, collect resources, plan and design production lines and develop your interstellar factory from a small space workshop to a galaxy-wide industrial empire.

Price 16.79€
Rating 9.6
Release 20 Jan 2021
SPACERIFT: Arcanum System At the sunset of human life on planet Earth, you are a military pilot controlling a space ship, and you find yourself at the very epicenter of the battle in the solar system. You are forced to retreat into the unknown, distant Arcanum system through hyper-jumping.

Price 19.50€
Rating 7.4
Release 17 Dec 2020
Mars Horizon Lead a major space agency as you guide humanity to Mars in this strategy simulation game. Construct a base, design and build rockets, conduct missions throughout the Solar System, and write your own history of Space exploration. Created with support from the European Space Agency.

Price -79% 3.79€
Rating 8.1
Release 17 Nov 2020
Rover Mechanic Simulator As an Engineer - crew member of one of the first Mars colonies - you are responsible for repairing and maintaining Mars Rovers. In this advanced simulator you will learn the internal details of various Mars Rovers and their components.

Price -97% 0.42€
Rating 7.3
Release 12 Nov 2020
Space Commander: War and Trade Fight, explore the stars, trade, and lead your fleet across the galaxySpace Commander: War and Trade is an ultimate single player space-sim featuring spectacular graphics, intuitive combat and deep mechanics.

Price Free to play
Rating 6.5
Release 04 Nov 2020
Space Crew: Legendary Edition Time for your toughest mission yet! Recruit and train your crew to tackle the growing threat from alien and android armies as you defend Earth to become a Galactic Legend in Space Crew: Legendary Edition. All new content free to existing owners of Space Crew!

Price -97% 0.52€
Rating 7.3
Release 15 Oct 2020
STAR WARS™: Squadrons Master the art of starfighter combat in the authentic piloting experience STAR WARS™: Squadrons. Feel the adrenaline of first-person multiplayer space dogfights alongside your squadron, and buckle up in a thrilling STAR WARS™ story.

Price 39.99€
Rating 6.5
Release 01 Oct 2020
Interstellar Rift Interstellar Rift is an open world starship simulator with an emphasis on ship construction and multi-player interaction. Survive in a hostile galaxy with your own custom designed and constructed starship. Invite other players to join your crew or fight them across the galaxy!

Price -83% 3.43€
Rating 6.7
Release 24 Sep 2020
Space Travel Idle If you ever dreamed of exploring space at a relaxed pace, here's a journey designed for you.

Price Free to play
Rating 6.1
Release 22 Sep 2020
Rebel Galaxy Outlaw Out of cash, out of luck, out on the fringe. Juno Markev has a killer to tail, a debt to pay, and more trouble headed her way. Rebel Galaxy Outlaw takes place in a greasy, blue-collar world of outlaws, truckers, cops and thieves.

Price -96% 1.00€
Rating 6.2
Release 22 Sep 2020
Ostranauts Navigate your scrappy ship through the boneyard in search of valuable parts in abandoned vessels. Use salvage to upgrade your ship, or sell it for cash to pay down your mounting debt, or restock fuel, air, or food. Fly and role-play aboard your dream spaceship in this hardcore noir space-sim.

Price -20% 16.39€
Rating 7.6
Release 10 Sep 2020
Empyrion - Galactic Survival 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!

Price -88% 2.47€
Rating 7.8
Release 05 Aug 2020
SpaceBourne Spacebourne is an open space exploration game with Rpg elements. Its world consists of different factions at war. You as an expert pilot need to choose your side or be on no one's side and create a force of your own. Load up your weapons, Ready your ship and warp to adventure.

Price 12.49€
Rating 7.3
Release 18 Jul 2020
Starship EVO Mine and craft your way to orbit, build your own starship and explore a vast, dangerous galaxy alongside your crew. For players who love a meaningful survival progression, a unique and elegant building system, and epic space-opera scale.

Price 24.50€
Rating 8.1
Release 19 Jun 2020
Space Simulation Toolkit Physics sandbox game that uses a graphics card as a supercomputer. Change the laws of physics, design mechanisms, create A-Life worlds and inhabit them with living beings, experiment with evolution and AI.

Price -30% 17.15€
Rating 7.5
Release 05 Jun 2020
Nimbatus - The Space Drone Constructor Command the Nimbatus and craft drones out of hundreds of different parts. Survive unknown threats in a fully destructible, procedural universe, compete against other players in different arenas or enjoy complete creative freedom in the sandbox.

Price -75% 4.87€
Rating 7.7
Release 14 May 2020
Avorion A procedural co-op space sandbox where players can build their own space ships out of dynamically scalable blocks. Fight epic space battles, explore, mine, trade, wage wars and build your own empire to save your galaxy from being torn apart by an unknown enemy.

Price -75% 6.30€
Rating 8.8
Release 09 Mar 2020
Genesis Alpha One Deluxe Edition Hyperjump into the dark recesses of space with Genesis Alpha One - a roguelike FPS where you must build, maintain and navigate your ship through a galaxy filled with hostile alien and human threats. Explore, create and survive the militarized space race in order to secure humanity’s future.

Price -96% 0.93€
Rating 6.7
Release 25 Feb 2020
Void Destroyer 2 Start with nothing... End with everything! All you have is a basic ship, barely fit for combat, with it you'll start your journey and empire. A open world space sandbox, inspired by and expanding the classics.

Price 8.19€
Rating 7.7
Release 06 Feb 2020
Starcom: Nexus Suddenly thrown into an unknown galaxy, you must explore, fight or befriend aliens and transform your ship from a small survey vessel into a powerful battlecruiser to unravel the mystery of the forces that brought you here and find your way home.

Price 16.79€
Rating 8.6
Release 12 Dec 2019
Deliver Us The Moon Deliver Us The Moon is a Sci-Fi thriller set in an apocalyptic near future where Earth's natural resources are depleted. In an effort to solve the energy crisis, global powers created the World Space Agency and secured a promising new source of energy on the moon.

Price -97% 0.75€
Rating 8.6
Release 10 Oct 2019
Infinity: Battlescape Infinity: Battlescape is a multiplayer space combat sim supporting hundreds of players on a single server. Join one of the corporate factions and fight for domination of a seamless, true-to-scale procedural star system. Participate in massive space and planetary battles involving hundreds of ships.

Price 34.99€
Rating 7.6
Release 26 Sep 2019
Shortest Trip to Earth Shortest Trip to Earth is a roguelike spaceship simulator focused on exploration, ship management and tactical battles. Embark on a perilous journey across the universe with nuclear missiles, armed crew and a cat.

Price -98% 0.64€
Rating 7.4
Release 15 Aug 2019
Oxygen Not Included 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.

Price -70% 6.89€
Rating 9.5
Release 30 Jul 2019
1000 days to escape Only 1000 days left until the end of the world. You have to realize the largest space program ever to save as many people as you can. Explore planets, colonize them, help people find a new home.

Price 3.99€
Rating 7.8
Release 25 Jul 2019
The Orville - Interactive Fan Experience Step aboard the USS Orville (ECV-197), the Planetary Union's finest mid-level exploratory class cruiser. With every room on every deck recreated with painstaking accuracy, you are free to explore the ship at your leisure and engage in all manner of shenanigans!

Price Free to play
Rating 8.5
Release 23 Jul 2019
SpaceEngine The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.

Price 28.99€
Rating 9.3
Release 11 Jun 2019
Interstellar Transport Company Build a galactic transportation empire and supply humanity with everything it needs to colonize the stars. In this sci-fi logistics simulator, grow your company from a local transport agency into an interstellar logistics behemoth! Singleplayer, vs AI, and online multiplayer.

Price 21.99€
Rating 6.5
Release 24 May 2019
Astrox Imperium Astrox Imperium is a relaxing space game where you fly around a generated universe. Mining, Fighting, Building, Exploring, and Surviving. What makes this game unique? You have complete control of how it plays. A robust sandbox and lots of MOD tools. Make it your game, and play it your own way.

Price 12.49€
Rating 8.2
Release 22 Mar 2019
X4: Foundations Your journey to building a vast space empire begins behind the controls of a single ship. Explore, trade, fight, and build as you rise to command fleets, stations, and entire economies in a living, fully simulated universe that reacts to every decision.

Price -89% 5.98€
Rating 7.8
Release 30 Nov 2018
Star Shelter 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.

Price 16.79€
Rating 7.3
Release 23 Oct 2018
60 Parsecs! 60 Parsecs! is an Atomic Space Age adventure of scavenge and survival. Keep your crew alive and ready for action. Make difficult choices, face soup shortages and other horrors of outer space. And maybe reach your destination. Or not.

Price -80% 2.00€
Rating 8.5
Release 18 Sep 2018
Star Traders: Frontiers You are the captain of a starship venturing through a massive open universe. Customize your crew and take command at the helm of your very own ship as you explore a galaxy torn apart by internal strife, alien threats, and political intrigue.

Price 14.79€
Rating 8.1
Release 31 Jul 2018
Surviving Mars There will be challenges to overcome. Execute your strategy and improve your colony’s chances of survival while unlocking the mysteries of this alien world. Are you ready? Mars is waiting for you.

Price -80% 5.47€
Rating 8.3
Release 15 Mar 2018

Most played space sim games


4,745 players

18,951
4,896
Rating 7.8

4,336 players

77,388
22,636
Rating 7.7

889 players

1,201
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Rating 7.3

616 players

12,286
1,328
Rating 8.8

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6,085
233
Rating 9.3

265 players

5,922
791
Rating 8.6

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3,387
835
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63 players

3,373
898
Rating 7.7

59 players

2,928
240
Rating 8.9

59 players

2,807
311
Rating 8.7