Games like X3: Reunion
by Egosoft
X3: Reunion continues the epic space saga, blending deep space trading and intense real-time combat. Explore a vast universe, establish your empire, and shape the new frontier. With enhanced graphics and intricate economies, it's a journey of strategy, simulation, and interstellar intrigue.
View on Steam · $9.99 →
Ranked by how similar the games actually are, not by sales. Released and Price are remembered for next time.
Closest matches
$4.99X2: The Threat
Jul 21 · Egosoft
Both: Space · Sci-fi · Open World
X²: The Threat is of a new generation of space simulator games, you play the role of Julian Gardna who continues the story set by X: Beyond The Frontier. The updated graphics engine gives the universe a fresher feel with newly designed ships and stations adding to the complexity of the universe.
SpaceStrategySimulationSci-fiSingleplayerOpen WorldEconomySpace SimSandboxTrading👍 444
$15.99X3: Terran Conflict
Oct 16 · Egosoft
Both: Space · Sandbox · Sci-fi
It is the year 2938. The long wished-for encounter of the X Universe and the Earth holds both joy and sorrow for the people. Despite flourishing trade, the clash of the diverse races, cultures and life forms creates new tensions, mistrust and open conflict that need to be overcome!
SpaceSimulationSandboxSci-fiStrategySpace SimOpen WorldTradingSingleplayerEconomy👍 2,091
$29.99X Rebirth
Nov 15 · Egosoft
Both: Space · Sci-fi · Space Sim
In the distant future, the X universe faces a period of profound and irrevocable change. While the universe stumbles towards an uncertain future, countless adventures await as new enemies rise in search of power.
SimulationSpaceSci-fiActionSpace SimSandboxSingleplayerOpen WorldEconomyTrading👍 5,156
$49.99X4: Foundations
Nov 30 · Egosoft
Both: Space · Open World · Space Sim
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.
SpaceSimulationOpen WorldSpace SimExplorationSandboxSci-fi4XStrategyEconomy👍 25,274
$4.99X: Tension
Oct 8 · Egosoft
Both: Space · Sci-fi · Space Sim
X-Tension is the eagerly awaited expansion pack to X: Beyond the Frontier. The expansion is not limited by a linear plot line but makes use of new ways to expand your empire. You can now take part in missions that are offered to you throughout the game.
SimulationStrategySpaceSci-fiSpace SimSandboxSingleplayerEconomyActionOpen World👍 104
$4.99X: Beyond the Frontier
Oct 8 · Egosoft
Both: Space · Sci-fi · Space Sim
The Human Race had advanced to the point where we could travel among the stars, we developed giant automated machines to help us colonise other worlds, but there was a fault in their programming and they turned and attacked. Forcing us to lay a trap to protect Earth and exiling the Human race to stay on Earth once again.
SimulationSpaceStrategySci-fiSingleplayerSpace SimTradingEconomySandboxAction👍 295
$24.99Avorion
Mar 9 · Boxelware
Both: Sandbox · Space Sim · Space
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.
SandboxExplorationSpace SimBuildingSpaceOpen WorldFlightPvEChoose Your Own Adventure3D👍 13,003
-90%$3.99X Rebirth VR Edition
Dec 7 · Egosoft
Both: Space Sim · Space · Sandbox
X Rebirth VR Edition is tailored to be an immersive VR experience, based on X Rebirth: Home of Light. TRADE, FIGHT, BUILD, THINK in the X Universe - the biggest sandbox this side of the galaxy.
SimulationActionVRSpace SimSpaceSandboxSci-fi👍 246
$14.99Evochron Mercenary
Jan 16 · StarWraith 3D Games LLC
Both: Space · Sci-fi · Space Sim
The life of an independent mercenary is rarely without excitement. Your spacecraft awaits and your adventure begins in the Sapphire star system.
SpaceSimulationIndieSci-fiSpace SimActionOpen WorldSandboxMultiplayerFlight👍 403
$9.99Astrox: Hostile Space Excavation
Nov 30 · Jace Masula
Both: Space · Sandbox · Open World
Exiled to a deep space mining sector, you are left with a crappy ship, a laser, and a small mining beam. It is up to you to survive by working your way through the galaxy. Mine asteroids, refine and trade the ore, buy upgrades for your ship, hunt pirates... you get it.
SimulationSpaceIndieAdventureSandboxOpen WorldMiningSpace SimSingleplayerProcedural Generation👍 446
$4.99X-COM: Interceptor
Sep 4 · MicroProse Software, Inc
Both: Sci-fi · Space · Space Sim
They're back...only this time the heinous aliens are out to destroy Earth and rule the new frontier. As X-COM commander, it's your sole duty to protect humanity and the prized mining operations in outer space.
StrategySci-fiSpaceSpace SimFlightSingleplayerAliensSimulationClassic👍 162
FreeHelium Rain
Oct 11 · Deimos Games
Both: Space Sim · Space · Economy
Trade your wares and eliminate the competition in a cutthroat world. Buy new ships and stations to mine and haul resources. Explore the vast emptiness of space.
Space SimSimulationSpaceStrategyIndieActionExplorationTradingEconomySci-fi👍 235
$34.99Starbase
Jul 29 · Frozenbyte
Both: Open World · Space Sim · Sandbox
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.
Open WorldBuildingMassively MultiplayerSpace SimSimulationSandboxSpaceSci-fiActionEarly Access👍 6,219
$34.99Hardspace: Shipbreaker
May 24 · Blackbird Interactive
Both: Space · Sci-fi · Sandbox
Equipped with cutting-edge salvaging tech, carve & slice spaceships to recover valuable materials. Upgrade your gear to take on more lucrative contracts and pay your billion credits debt to LYNX Corp!
SpaceSci-fiSimulationPhysicsSingleplayerDestructionSandboxPuzzleFirst-PersonSpace Sim👍 19,442
-25%$5.99Station Commander
Aug 23 · Ben Marks Game Studios
Both: Space Sim · Economy · Open World
Station Commander is an economy strategy game that has you take control of a futuristic space station. Your goal is to build ships, gather resources, and trade with neighboring planets to upgrade your station and ships. Upgrading your station gives you access to better ships and ship abilities.
StrategySpace SimEconomy4XExplorationResource ManagementOpen WorldSpaceTactical RPGVehicular Combat
$29.99SpaceEngine
Jun 11 · Cosmographic Software
Both: Open World · Sci-fi · Sandbox
The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.
Early AccessOpen WorldSci-fiCasualSandboxSpaceSpace Sim3DRealisticScience👍 15,848
$9.99Void Destroyer 2
Feb 6 · Iteration 11
Both: Space Sim · Open World · Sandbox
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.
Space SimOpen WorldSandboxActionStrategySimulation4XSpaceSci-fiIndie👍 652
$19.99Ostranauts
Aug 3 · Blue Bottle Games
Both: Flight · Space Sim · Sandbox
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.
FlightSimulationSpace SimSandboxDifficultSurvivalSpaceExplorationLife SimProcedural Generation👍 3,141
$19.99Elite Dangerous
Apr 2 · Frontier Developments
Both: Space Sim · Space · Open World
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.
Space SimSpaceOpen WorldExplorationSci-fiSimulationMassively MultiplayerMultiplayerVRFirst-Person👍 82,421
$34.99Starpoint Gemini 2
Sep 26 · Little Green Men Games
Both: Space · Open World · Sci-fi
Captain your own space ship and roam the galaxy in 3D in this tactical space simulator with tons of RPG depth ! Space has never looked so inviting - but images can betray...It has been two years since the end of the second Gemini war, the situation in the wartorn system is further from resolution than ever.
SpaceSimulationRPGOpen WorldSci-fiSpace SimSingleplayerActionSpaceshipsModdable👍 3,020
$19.99EVERSPACE™
May 25 · ROCKFISH Games
Both: Space · Sci-fi · Space Sim
EVERSPACE™ combines fast-paced combat with roguelike elements, great visuals and a captivating story. It takes you on a challenging journey through an ever-changing, beautifully crafted universe full of surprises. Shoot, craft and loot your way to victory while the odds are stacked against you.
SpaceAction RoguelikeActionIndieSci-fiSpace SimRogueliteSingleplayerFlightShooter👍 9,807
$14.99Astrox Imperium
Mar 22 · Jace Masula
Both: Space · Space Sim · Sandbox
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.
SpaceSimulationEarly AccessIndieSpace SimSandboxOpen WorldSingleplayerMiningAtmospheric👍 1,236
-75%$4.99Starcom: Nexus
Dec 12 · Wx3 Labs, LLC
Both: Space · Sci-fi · Open World
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.
SpaceSci-fiRPGExplorationActionAdventureIndieOpen WorldSpace SimTop-Down👍 2,295
$24.99Freespace 2
Jun 6 · Volition Inc
Both: Space · Sci-fi · Space Sim
FreeSpace 2, the follow up to the classic Descent: FreeSpace – The Great War is ready to engage you in the second round. Follow the Grand Terran Vasudan Alliance further into the mysteries of the Shivans. Get your flight stick and hit the flight deck. The last time was just a warm up.
SpaceSci-fiActionSimulationClassicSpace SimModdableSingleplayerFlightMultiplayer👍 310
$14.99Rodina
Jul 28 · Elliptic Games
Both: Space · Open World · Sandbox
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!
SpaceExplorationOpen WorldIndieSandboxSci-fiActionEarly AccessSingleplayerSpace Sim👍 1,226
$2.99Project Freedom
Oct 14 · City Interactive
Both: Space · Sci-fi · Flight
Get your dream job with a company called Project Freedom. Become a space pilot and serve for the corporation. You're going to get all the excitement and adventure you've ever wanted. Perhaps even more... 21 missions in the campaign Outstanding 3D graphics and special effects Original storyline with unexpected turns and surprises A...
ActionSimulationSpaceSci-fiSingleplayerFlightSpace SimShooter👍 180
$6.99The Infinite Black 2
Jun 16 · Spellbook
Both: Space Sim · Open World · Space
Command a fleet of ships to hunt aliens, trade resources and loot treasure! Form corporations with your friends while fighting a never-ending intergalactic war in this open-world online space adventure!
Space SimOpen WorldPvPSpaceAdventureActionMMORPGExplorationImmersive SimSci-fi👍 201
$19.99SpaceBourne 2
Nov 18 · Burak Dabak
Both: Space Sim · Flight · Open World
Embark on a journey to greatness. Get ready for adrenaline-fueled battles and a chance to claim your place in the galaxy. Grab the controls of your ship, gear up for the fight, and unleash your ambition to conquer and build a new empire in the vastness of space.
RPGSpace SimFlightBase Building3DOpen WorldFirst-PersonThird PersonLore-RichSpace👍 4,952
Dual Universe
Sep 27 · Novaquark
Both: Space Sim · Sci-fi · Sandbox
Dual Universe is a first-person Sci-Fi MMO built and driven by players, in a single persistent universe. You can build almost anything out of voxels, trade in a free economy, lead industries, travel through space, explore planets, or wage war in a fully editable sandbox universe. Subscription-based.
Massively MultiplayerMMORPGSpace SimBuildingSci-fiVoxelSandboxCity BuilderOpen WorldBase Building👍 533
$19.99Juno: New Origins
Jan 26 · Jundroo, LLC
Both: Space Sim · Flight · Sandbox
Bring to life anything you can imagine from rockets and airplanes to cars and more. Automate them with a visual programming language. Explore 3D planets and make your own. Share your creations online. Complete contracts, conquer milestones, and unlock technology in the newly added Career Mode.
BuildingScienceSpace SimProgrammingFlightEducationBase BuildingRealisticSandboxPhysics👍 3,088
$24.99Interstellar Transport Company
May 24 · MT Worlds
Both: Space · Economy · Sci-fi
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.
SpaceSimulationManagementTradingStrategyEconomySci-fiMultiplayerSandboxEarly Access👍 395
$24.99Starcom: Unknown Space
Sep 2 · Wx3 Labs, LLC
Both: Space · Open World · Space Sim
Starcom: Unknown Space is an action RPG of space exploration and adventure. Build your own starship while discovering an epic story in a universe of strange mysteries, alien factions and uncharted worlds.
SpaceExplorationOpen WorldSpace SimAction RPGTop-Down ShooterSci-fiStory RichIndieRPG👍 4,465
$24.99Frontier Pilot Simulator
Dec 7 · RAZAR s.r.o.
Both: Flight · Economy · Space
FPS is a Sci-Fi cargo pilot sim, with an engaging emergent mission-driven storyline, with a real-time economy with free flight and trading, on an alien world to explore. All in customizable upgradeable, well-simulated VTOL craft with real weather, and flight dynamics.
FlightEconomySpaceExplorationTransportationManagementTradingDifficultSpace SimThird Person👍 836
-80%$1.79Darkstar One
Feb 13 · Ascaron Entertainment ltd.
Both: Space · Sci-fi · Space Sim
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.
ActionSpaceSci-fiSpace SimExplorationOpen WorldSimulationRPGSingleplayerSpaceships👍 592
$9.99STAR WARS™ X-Wing vs TIE Fighter - Balance of Power Campaigns™
Apr 28 · Totally Games
Both: Space · Space Sim · Flight
Real-time against real pilots; this is Star Wars space combat as it was meant to be! Featuring challenging real-time dogfights of 2 to 8 players, Star Wars™: X-Wing vs. TIE Fighter is one of the most historically significant space combat simulators ever made.
ActionSimulationSpaceSpace SimMultiplayerFlightClassicSci-fi1990's👍 243
$14.99StarMade
Dec 4 · Schine GmbH
Both: Space · Sandbox · Open World
The ultimate space sandbox. Participate in epic fleet battles, form alliances, strive to dominate entire galaxies and harness the universe’s resources for your industrious empire or the destruction of others. Customise your experience, the universe is yours!
SpaceSandboxOpen WorldBuildingMultiplayerSci-fiVoxelAdventureIndieAction👍 2,199
$29.99X-Plane 11
Mar 30 · Laminar Research
Both: Flight · Open World · Sandbox
The future of flight simulation is now! X-Plane 11 is the detailed, realistic, and modern simulator you’ve been waiting for. Intuitive user interface, 3-D cockpits, new effects, 3-D sound, living airports and world-wide scenery.
SimulationFlightRealisticOpen WorldMultiplayerVRSingleplayerPhysicsFirst-PersonSandbox👍 19,212
$19.99Interstellar Rift
Sep 24 · Split Polygon
Both: Space Sim · Open World · Sandbox
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!
Space SimBuildingOpen WorldExplorationCraftingSandboxPvPMiningSurvivalFirst-Person👍 1,411
$4.99Star Explorers
May 8 · Schmidt Workshops
Both: Space Sim · Space · Open World
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.
Space SimSpaceRetroOpen WorldProcedural GenerationAtmosphericIndieExplorationOld SchoolSandbox👍 244
$9.99Kinetic Void
Nov 21 · Badland Studio
Both: Space · Sandbox · Sci-fi
Kinetic Void is a 3D space adventure with a focus on customization and enjoyable space simulation. The shipyard allows players to construct their ship piece by piece. Ships can be as simplistic as a cockpit, a hull, a engine and a gun, or as complex as a player wants.
SpaceSimulationIndieActionSandboxSci-fiSingleplayerBuildingSpace SimAdventure👍 1,384
$19.99The Last Starship
Feb 3 · Introversion Software
Both: Sandbox · Space · Sci-fi
The Last Starship is a 2D space construction game where you design and upgrade your starship. Choose your path: pirate hunter, miner, engineer, spacebus driver, and more, whilst exploring vibrant star systems. Enjoy a growing sandbox world, with regular free updates. Your cosmic adventure awaits!
StrategySandboxSpaceSimulationSingleplayerBase BuildingSci-fiSpace SimBuildingMining👍 1,625
$9.99Cosmonautica
Jul 31 · Chasing Carrots
Both: Space · Economy · Sci-fi
Cosmonautica is a fresh take on space trading in a procedurally generated universe, paired with quirky humor for your intergalactic enjoyment.
TradingSpaceSimulationStrategyEconomySci-fiManagementAdventureSpace SimSingleplayer👍 948
$12.99Star Nomad 2
Dec 14 · Huy Phan
Both: Space · Open World · Sandbox
A space trader & combat sim meets squad-RPG, large scale conquest, choice driven gameplay with fluid & punchy tactical real-time combat set in a dynamic open-world sandbox.
RPGSimulationSpaceStrategyIndieOpen WorldSandboxSci-fiRoguelite2D👍 137
-20%$23.99Space Engineers 2
Jan 27 · Keen Software House
Both: Sandbox · Space · Sci-fi
Space Engineers 2 is a playable Early Access Alpha sandbox focused on engineering, exploration, and colonization in a fully destructible universe. Design and build ships, stations, and planetary bases while uncovering the story of Miro and Ivan Sokol. Help shape the future of the Almagest system.
SandboxBuildingSpaceSurvivalSci-fiSimulationPhysicsModdableDestructionOpen World👍 5,102
$9.99ΔV: Rings of Saturn
Jul 21 · Kodera Software
Both: Space · Sci-fi · Space Sim
A physics-based mining sim, set in the thickest debris field in Sol. Every action has a reaction, lasers are invisible without a medium, and your thrust is a potent weapon. Find trade, adapt your equipment to your playstyle, hire a crew to help. Unravel the mysteries of the rings, or just get rich.
SpaceSci-fiPhysicsSingleplayerExplorationTop-DownSpace SimImmersive SimVehicular CombatOpen World👍 2,883
$24.99Starship EVO
Jun 19 · Moonfire Entertainment
Both: Space · Sandbox · Sci-fi
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.
IndieActionSimulationBuildingSpaceAdventureSandboxSci-fiOpen WorldEarly Access👍 1,322
$19.99Rebel Galaxy
Oct 20 · Double Damage Games
Both: Space · Sci-fi · Open World
Rebel Galaxy is a swashbuckling space adventure, with action-packed combat, exploration, discovery, trade, and “negotiation” with the outlandish denizens at the edge of the known universe.
SpaceSci-fiOpen WorldRPGGreat SoundtrackAdventureSingleplayerSpace SimActionSimulation👍 7,258
$0.99Orbital Invaders
Oct 21 · Shaggy Dwarf
Both: Space · Flight · Space Sim
3D Sci-Fi arcade Shoot'em up game. Destroy asteroids and aliens. Shoot them all!3D arena shooter with multiple worlds. Spaceship simulator and shmup arcade style game.
SpaceFlightSpace SimSci-fiSimulationAliensTop-Down ShooterShoot 'Em UpArcadeBullet Hell
$4.99Space Station Tycoon
Nov 1 · Lunheim Studios
Both: Space · Economy · Space Sim
Create a thriving space station in a lost sector. Face thrilling challenges head-on, from pirate raids to asteroid impacts, as you lead your company to new heights.
ManagementSpaceTower DefenseCity BuilderColony SimBuildingCraftingEconomyBase BuildingSpace Sim👍 190
$19.99orbit.industries
Apr 21 · LAB132
Both: Space · Space Sim · Sandbox
🚀 Become a Space Pioneer by building and managing a station of your own on the orbit of distant planets! Focus on design and management or fulfill objectives to progress. 🛰️ Explore, Build and Prosper!
Space3DResource ManagementSpace SimManagementBuildingSimulationAutomationSandboxEconomy
$49.99Kerbal Space Program 2
Feb 24 · Intercept Games
Both: Space · Sandbox · Open World
Kerbal Space Program 2 is the sequel to the acclaimed space-flight simulation game Kerbal Space Program. Enter the next generation of space adventure with exciting new parts, stunning visuals, fully revamped UI and Map View, and rich new environments to explore.
SpaceSandboxExplorationBuildingPhysicsScienceDifficultSimulationOpen WorldFunny👍 27,940
$49.99Stellaris
May 9 · Paradox Development Studio
Both: Space · Sci-fi · Sandbox
Explore a galaxy full of wonders in this sci-fi grand strategy game from Paradox Development Studios. Interact with diverse alien races, discover strange new worlds with unexpected events and expand the reach of your empire. Each new adventure holds almost limitless possibilities.
SpaceStrategyGrand StrategySci-fi4XExplorationSandboxSimulationMultiplayerReal-Time with Pause👍 142,911
-75%$7.49Starlink: Battle for Atlas
Apr 30 · Ubisoft Toronto
Both: Space · Sci-fi · Open World
Lead a group of interstellar pilots dedicated to free the Atlas Star System from Grax and the Forgotten Legion. Start your adventure with the full original Starlink: Battle for Atlas™ Initiative team. Included : * Starlink Game * 4 Starships : Zenith, Neptune, Pulse, Lance * 6 Pilots : Mason, Judge, Chase, Hunter, Levi, Razor * 12...
ActionAdventureSpaceSci-fiOpen WorldSpace SimRacingExplorationRPGSingleplayer👍 302
FreeStar Conflict
Feb 27 · Star Gem Inc.
Both: Space Sim · Open World · Flight
Star Conflict is an action-packed, massively multiplayer space simulation game that puts players in the role of elite pilots engaging in a widespread interplanetary skirmish. The whole world for PVP and PVE!
Free to PlayOnline Co-OpSpace SimMassively MultiplayerOpen WorldPvEActionShooterFlightTrading👍 199
$14.99Reassembly
Feb 19 · Anisoptera Games
Both: Space · Sandbox · Open World
A spaceship building and universe-exploration game. Collect resources, expand and grow your fleet, and conquer your personal galaxy. Stellar ambience by Peaks.
BuildingSpaceSandboxStrategy2DActionIndieSingleplayerTop-DownOpen World👍 3,611
$29.99Between the Stars
Mar 7 · Isolated Games
Both: Space · Space Sim · Sci-fi
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.
SpaceRPGActionSimulationIndieStrategyAdventureSpace SimSingleplayerSci-fi👍 1,965
-50%$9.99Space Engineers
Feb 28 · Keen Software House
Both: Sandbox · Space · Open World
Space Engineers is a sandbox engineering game where you design and build ships, stations, and planetary bases in a fully destructible environment. Explore planets and space, mine resources, survive hazards, and engage in combat alone or with friends in Creative or Survival modes.
SandboxBuildingSpaceSurvivalSimulationPhysicsOpen WorldMultiplayerBase BuildingSingleplayer👍 102,609
$14.99VoidExpanse
Apr 2 · AtomicTorch Studio
Both: Space · Open World · Sci-fi
Explore the vast reaches of VoidExpanse -- mine asteroids, upgrade your ship, trade, complete missions, advance your character and survive fast-paced combat with hostile aliens and mercenaries in the rich and exciting Sci-Fi universe of VoidExpanse!
SpaceRPGOpen WorldActionSci-fiIndieSandboxStrategyTop-DownSimulation👍 570
$5.99Phantom Signal — Sci-Fi Strategy Game
Jan 16 · Veslo Games
Both: Space · Sci-fi · Space Sim
Phantom Signal is a real-time sci-fi strategy game with unusual mechanics. Explore mysterious star systems and reveal the secret of the phantom signal.
StrategyCasualSimulationTower DefenseSpaceSci-fiIndieSingleplayerSpace SimRTS👍 134
Sirius
Jun 1 · Digital Dawn Studios
Both: Space · Sci-fi · Space Sim
Sirius Online is a unique, easy to play Space Action Shooter with ongoing progression. Join the Ranks of the Terran Reclaim Forces or the Sirius Colonial Council today and fight for your Faction! Explore forgotten battlefields, find Treasures, create an empire and rule the universe!
ActionSimulationSpaceEarly AccessSci-fiAdventureIndieSpace SimMassively MultiplayerEconomy
Also worth a look
Share some of the same DNA, but further from the original.

Zigfrak
Dec 13 · Entheogen Studios LLC
Both: Space · Sci-fi · Open World
Zigfrak is a space-based action RPG, featuring missions, exploration, and crafting. With an emphasis on loot and over-the-top items, it's not a traditional space sim. Enemy ships explode like loot piñatas, spewing forth useful pickups.Try the free demo first, you'll hate it!
ActionRPGIndieSpaceSci-fiOpen WorldSpace SimSimulationLoot👍 203
$9.99Jumpdrive
Jan 18 · Meteoric Games
Both: Space · Open World · Sandbox
Jumpdrive is a sandbox space sim set in an alternative future heavily inspired by classic 80s sci-fi. Fight, trade and explore in a massive procedurally generated galaxy of millions of planets and stars. Amass money and power and upgrade and purchase new ships.
IndieSimulationActionSpaceAdventureOpen WorldSandboxExplorationSpace Sim👍 149
$19.99Archean
May 16 · batcholi, FloDKSM
Both: Sandbox · Open World · Space
Gather resources, craft components, build vehicles, and code their logic in a physics-driven engineering sandbox and full scale space sim.
Early AccessSandboxBuildingProgrammingImmersive SimOpen WorldCraftingScienceSpaceSpace Sim👍 240
$7.99SimpleRockets
Jun 3 · Jundroo, LLC
Both: Sandbox · Space Sim · Space
I am excited to release my first game on Steam! SimpleRockets was released in 2013 for mobile and I've put a ton of work into it to get it ready for PC and Mac. It was inspired by KSP, and it offers a simpler 2D experience for building rockets and exploring space with realistic orbital mechanics.
SimulationSandboxPhysicsSpace SimIndieSpace2D👍 280
-60%$5.99Star Traders: Frontiers
Jul 31 · Trese Brothers
Both: Sci-fi · Sandbox · Space Sim
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.
Sci-fiModdableSimulationTradingTactical RPGManagementProcedural GenerationSandboxTurn-Based CombatSpace Sim👍 3,672
FreeSpace Commander: War and Trade
Nov 4 · Home Net Games
Both: Space Sim · Flight · Economy
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.
ActionRPGBase BuildingSpace SimExplorationAction RPGFlight3DAliensEconomy
-30%$17.49Space Simulation Toolkit
Jun 5 · Pavel Kudinov
Both: Sandbox · Space · Space Sim
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.
SimulationSandboxPhysicsEarly AccessIndieArtificial Intelligence2DSpaceSpace SimEducation👍 501
-80%$4.99Objects in Space
Mar 1 · Flat Earth Games
Both: Space · Space Sim · Sci-fi
Objects in Space is a retro space game centred on 2D point-and-click stealth action in a massive open world. Players have their own customisable ships and can meet people, become a trader, bounty hunter, explorer, scavenger or all of them at once.
SimulationIndieActionStrategyRPGAdventureSpaceSpace SimSci-fiOpen World👍 569
$14.993030 Deathwar Redux - A Space Odyssey
Sep 13 · Bird in Sky
Both: Space · Open World · Sci-fi
3030 Deathwar is a unique mix of Adventure and Space Sim. Explore star systems, mine and hunt pirates in top-down mode. Leave your ship and switch into classic Adventuring mode, where you explore derelicts, talk to shady characters or head over to the space bar for a drink.
AdventureIndieSpaceActionSimulationOpen WorldSci-fi2DExplorationSandbox👍 1,057
$19.99Cosmoteer: Starship Architect & Commander
Oct 24 · Walternate Realities
Both: Sci-fi · Space · Space Sim
Design and simulate the starships of your dreams! Command your ship or fleet in epic battles and manage your crew while exploring a dangerous galaxy. Play alone or with friends, test your ships in online PvP, and let your imagination reach for the stars!
Sci-fiSingleplayerBuildingSpace2DIndieStrategySpace SimExplorationMultiplayer👍 12,019
$9.99Spacebase DF-9
Oct 27 · Double Fine Productions
Both: Space · Sci-fi · Sandbox
In Spacebase DF-9, you'll build a home among the stars for a motley population of humans and aliens as they go about their daily lives. Mine asteroids, discover derelicts, and deal with the tribulations of galactic resettlement in Earth's distant future.
SimulationSpaceBase BuildingSci-fiStrategyIndieSandboxBuildingSurvivalSingleplayer👍 3,356
$24.99Executive Assault 2
Oct 18 · Hesketh Studios Ltd
Both: Space Sim · Space
The RTS/FPS phenomenon has moved into space! Build your base on an asteroid, command fleets of starships for epic battles, pilot fighters, mine and trade resources, assemble robots to defend or assault other stations. Take sole command or share the glory as you fight for control of the quadrant.
RTSBuildingSpace SimStrategyBase BuildingSpaceReal-TimeFPSActionSingleplayer👍 1,604
$9.99Deep Space Battle Simulator
Nov 5 · yeswecamp
Both: Space Sim · Sci-fi · Space
Two teams of players control their capital ship in an epic battle. Customize your ship, control its movement, weapons, and energy distribution or go to one of the hangars to join the battle in a smaller fighter!
ActionMultiplayerStrategySpace SimSci-fiFirst-Person6DOFSpaceIndieSimulation👍 357
$7.99Galaxy on Fire 2™ Full HD
Aug 21 · Fishlabs Entertainment GmbH
Both: Space · Space Sim
A hyperdrive malfunction sends Keith T. Maxwell tumbling through space and time to fight for his life against a mysterious alien armada that is wreaking havoc.
SpaceThird-Person ShooterExplorationSpace Sim3D FighterShooterArcadeAction-Adventure3DLinear👍 1,479
$9.99Space Rogue
Sep 15 · Red Beat
Both: Space · Sandbox · Sci-fi
Take on the role of a spaceship captain. Explore new worlds, and engage in intense ship-to-ship battles. Develop unique battle tactics, upgrade your ship, and recruit crew members as you fight for peace or piracy.
SpaceStrategySurvivalIndieSandboxTacticalExplorationSimulationReplay ValueSci-fi👍 396
$9.99Starbase Gunship
Dec 2 · Mythical City Games
Both: Space Sim · Flight · Sci-fi
Starbase Gunship places you in the seat of a weapons officer on a state-of-the-art Gunship as you defend a remote outpost from an Alien invasion fleet. With access to laser cannons, missiles, miniguns and nuclear warheads, you are the last line of defense between humanity and the alien invaders.
ActionSpace SimSimulationFlightSci-fiAliensSpaceWarArcadeRealistic
$9.99Interstellaria
Jul 17 · Coldrice Games LLC
Both: Space · Sci-fi · Space Sim
Managing a fleet across a dangerous galaxy. Every star and planet holds untold riches and dangers. Each encounter will require skills in trading, diplomacy, and combat. Allocate power to engines, charge all weapons, and take on the worst the galaxy has to handle.
SpacePixel GraphicsExplorationDiplomacySci-fiSoundtrackRTSManagementTradingSpace Sim👍 353
$19.99Space for Sale
Apr 15 · Mirage Game Studios
Both: Sandbox · Space Sim
Space for Sale is an interplanetary, top-down Space Realty management game with a focus on problem-solving and exploration. Played either solo or with a friend, it's up to you to transform wild, uninhabited lands into bustling communities!
SimulationStrategyColony SimSandboxSpace SimExplorationCute3DTop-DownCartoon👍 140
$9.99Wrath and Retribution
Apr 2 · Mad Vulture Games
Both: Space · Flight · Space Sim
Become an unstoppable force in this intense high-speed space combat roguelike. Master the Specter Drive’s displacement dash, build a devastating arsenal with your companion Merlin, and grow more lethal with every mission as you spearhead the counter attack across a solar system under siege.
SpaceAction RoguelikeLootFlightSpace Sim6DOFLooter ShooterRoguelikeSingleplayerThird Person
$39.99Galactic Civilizations IV
Oct 19 · Stardock Entertainment
Both: Space · Sci-fi · Sandbox
Take command of a civilization that has just achieved faster-than-light travel in Galactic Civilizations IV, the newest entry in the award-winning space 4X strategy game series. Explore the galaxy, colonize worlds, shape cultures, make alliances, fight wars and pioneer new technologies.
SpaceGrand StrategySimulation4XStrategySci-fiExplorationSandboxMultiplayerTurn-Based Strategy👍 2,210
$5.99Master of Orion 2
Feb 25 · SimTex
Both: Space · Sci-fi
Forge an empire in a universe where population growth is stripping away planetary resources. Colonize unknown planets and trade with other races for their knowledge.
Strategy4XTurn-BasedSpaceSci-fiClassicTurn-Based StrategyMultiplayerSingleplayerRetro👍 1,658
-80%$2.99Space Empires V
Oct 16 · Malfador Machinations
Both: Space · Sci-fi
Space Empires V is the latest edition in the Space Empires series. This new chapter completely updates the UI and takes the player into a real-time rendered 3D universe. Watch space battles played out in glorious detail and realistic effects. Expand, Explore, Exploit, and Exterminate in a huge living breathing galaxy.
Strategy4XSpaceTurn-BasedSci-fiSingleplayerTurn-Based StrategyMultiplayer👍 423







