Games like X: Tension
by Egosoft
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.
View on Steam · $4.99 →
Ranked by how similar the games actually are, not by sales. Released and Price are remembered for next time.
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$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
$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
$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
$19.99Ostranauts
Aug 3 · Blue Bottle Games
Both: Space Sim · Sandbox · Space
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
$24.99Star Trucker
Sep 3 · Monster and Monster
Both: Space Sim · Space · Open World
Haul cargo, trade salvage and keep your space suit close as you search for fame and fortune among the stars in a game that puts an interstellar twist on the truck sim genre.
TransportationSpace SimSpaceDrivingAutomobile SimSimulationFuturisticExplorationRelaxingOpen World👍 4,934
$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
$14.99Once Upon The Universe
May 29 · Paweł Witkowski ByteEncode
Both: Space Sim · Sandbox · Space
Once Upon The Universe is a god-game that takes you to the VERY beginning of creation. You begin the game just after the big bang, with nothing but an empty space and a lot of super hot hydrogen in the entire universe. Fill the universe with life and watch it thrive - or destory it.
God GameSpace SimSandboxLife SimSpaceStrategySimulationPixel GraphicsSci-fiIndie
$19.99QANGA
Sep 2 · iolaCorp Studio
Both: Open World · Space · Space Sim
QANGA: 750 years after humanity's fall, you must survive in a shattered world where Earth itself demands vengeance. Tear through the fabric of space to face the Voss, awaken the ancient civilisation, and dare to challenge the Sanglines, born from the bowels of a world that condemned you.
Early AccessThird PersonShooterFuturisticRealisticOpen WorldSpaceSpace SimOpen World Survival CraftExploration👍 556
-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
-25%$26.24Reentry - A Space Flight Simulator
Nov 7 · Lyra Creative
Both: Space · Space Sim · Open World
Do you have what it takes to become an astronaut? Reentry is a realistic space flight simulator inspired by the early NASA space programs, from orbiting Earth in Mercury and Gemini, to the moon landing in project Apollo. Learn the procedures. Operate the spacecraft. Complete the mission.
SpaceSimulationFlightSpace SimRealisticOpen WorldImmersive SimScienceExplorationPhysics👍 1,322
$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
$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
$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
$24.99Cubic Odyssey
May 14 · Atypical Games
Both: Sandbox · Sci-fi
Embark on a galactic journey in Cubic Odyssey, an open-world adventure where you explore vibrant planets, craft tools, build vehicles, and fight the Red Darkness. Uncover ancient mysteries, and shape a universe full of life, danger, and limitless possibilities!
Open World Survival CraftRPGAction-AdventureBase BuildingCo-opSandboxSci-fiBuildingExplorationFirst-Person👍 2,407
-75%$17.49Star Wars Outlaws
Nov 21 · Massive Entertainment – A Ubisoft Studio
Both: Open World · Sci-fi · Space
Experience the first-ever open world Star Wars™ game and explore distinct locations across the galaxy, both iconic and new. Risk it all as scoundrel Kay Vess, seeking freedom and the means to start a new life.
SingleplayerOpen WorldActionThird PersonAdventureAction-AdventureFemale ProtagonistSci-fiShooterSpace👍 12,291
$29.99Star Trek: Infinite
Oct 12 · Nimble Giant Entertainment
Both: Space · Sandbox
Star Trek: Infinite is a grand strategy experience that lets you play your own Star Trek story as the leader of one of four major factions in the galaxy. Follow the specially crafted story or blaze your own trail in the first Star Trek grand strategy game.
Grand Strategy4XSpaceExplorationSandboxManagementRTSDiplomacyPvEPvP👍 3,031
$12.99Void Cargo: Equilibrium
Aug 28 · Hammer&Hammer
Both: Space Sim · Sandbox
A first-person sci-fi cargo flight sim. Pilot a physics-driven lander, plan risky routes, manage fuel and heavy cargo, and save deliveries by repairing system failures mid-flight. Earn credits and upgrade your ship.
TransportationSpace SimSimulationRelaxingSandboxExplorationControllerFlight3DFirst-Person
$14.99My Little Universe
Oct 5 · Estoty
Both: Sandbox · Space
Stranded on a barren moon with nothing but your tools, fuelless ship, and celestial powers of creation, you are destined to recreate what was once lost and be the hero of your own Little Universe! Don't forget to call in up to three of your friends to join your journey in the Splitscreen Co-op Mode!
MiningExplorationDungeon CrawlerSandboxCraftingSurvivalCharacter CustomizationSpace3DAction👍 1,503
-35%$9.74Necesse
Oct 16 · Fair Games ApS
Both: Open World · Sandbox
Build, quest, and conquer across an infinite procedurally generated world. Play alone or with friends as you establish a settlement and explore deep dungeons, fight monsters and bosses, mine rare ores, craft magical equipment, recruit specialists for your colony, and more!
Open World Survival CraftPixel GraphicsMultiplayerOpen WorldSandboxSurvivalCraftingAdventureIndieRPG👍 24,443
-40%$11.99Jump Space
Sep 19 · Keepsake Games
Both: Space · Sci-fi
Jump Space (formerly Jump Ship) is a mission based co-op PvE for 1-4 players, where you are the crew of a spaceship. Transition seamlessly from crewing the ship to on-foot exploration and space walks. Explore, upgrade, and survive intense encounters in deep space together.
Co-opPvESpaceFPSSci-fiRogueliteActionFirst-PersonExplorationShooter👍 10,798
$7.99Terraspace
Dec 31 · Black Apple
Both: Space Sim · Sandbox
The game "Terraspace" offers you a unique experience of planet settlement and terraforming — creating conditions for life on unsuitable planets. This will require you to build the necessary structures to populate the planet.
AdventureCity BuilderSpace SimSandboxColony Sim3DStylizedColorfulFuturisticSurvival
$14.99Outpath
Oct 16 · David Moralejo Sánchez
Both: Sandbox · Open World
An experimental clicker base building game. Craft, gather & manage resources, build your base and buy more islands to exploit and expand!
AutomationBase BuildingCraftingSandboxResource ManagementIncrementalExplorationSimulationOpen WorldRelaxing👍 2,899
$4.99Hexfactory
Aug 24 · Aquila Industrial
Both: Space Sim · Space
Build cities and factories in an infinite Hex World. Explore more tiles. Balance your city's production and consumption, attract more citizens of different classes, research new technologies and build more factories and cities.
SimulationCity BuilderColony SimSpace SimExploration3D Platformer3DAutomationBuildingSpace
$39.99Satisfactory
Sep 10 · Coffee Stain Studios
Both: Open World · Sandbox
Satisfactory is a first-person open-world factory building game with a dash of exploration and combat. Play alone or with friends, explore an alien planet, create multi-story factories, and enter conveyor belt heaven!
Base BuildingAutomationOpen WorldCraftingMultiplayerCo-opBuildingResource ManagementSandboxExploration👍 235,059
-50%$19.99Terra Invicta
Jan 5 · Pavonis Interactive
Both: Economy
An alien invasion has fractured humanity into seven ideological factions each with a unique vision for the future. Lead your chosen faction to take control of Earth’s nations, expand across the Solar System, and battle enemy fleets in tactical combat.
StrategyGrand StrategySimulation4XEconomyWarHistoricalTurn-Based StrategyTacticalManagement👍 9,064
$12.99Obelisk Foundry
Apr 29 · ZxStudio
Both: Economy · Sci-fi · Space Sim
Build orbital factories, mine asteroids & trade with aliens in this deep space strategy game! Research tech, manage production chains, and choose: peaceful trade or combat when mysterious ships arrive. The ultimate industrial space empire simulator!
BuildingScienceManagementEconomyResource ManagementSimulationFuturisticStrategySci-fiSpace Sim
$19.99Astro Colony
Jun 2 · Terad Games
Both: Space
Explore endless Universe and create the most efficient constellation of colonies. Build conveyor systems to automate production. Take care of Astronauts and their needs! Establish new colonies as part of intergalactic simulation.
Base BuildingAutomationSpaceResource ManagementColony SimSimulationMultiplayerStrategyBuildingIndie👍 2,397
$23.99The Planet Crafter
Apr 10 · Miju Games
Both: Space · Open World
A space survival open world terraforming crafting game, designed for 1 to 10 players. Alter the ecosystem of an inhospitable planet to render it habitable for humanity. Survive, gather resources, and build your base. Then, generate oxygen, warmth, and pressure to create a brand new biosphere.
Base BuildingOpen World Survival CraftSurvivalOnline Co-OpCo-opBuildingCraftingSpaceOpen WorldExploration👍 68,913
$59.99Horizon Forbidden West™ Complete Edition
Mar 21 · Guerrilla, Nixxes Software
Both: Open World · Sci-fi
Experience the epic Horizon Forbidden West™ in its entirety with bonus content and the Burning Shores expansion included. The Burning Shores add-on contains additional content for Aloy’s adventure, including new storylines, characters, and experiences in a stunning yet hazardous new area.
Open WorldSingleplayerFemale ProtagonistActionStory RichExplorationPost-apocalypticRPGThird PersonSci-fi👍 20,444
$19.99Eden Crafters
May 7 · Osaris Games
Both: Sandbox · Open World
Eden Crafters is a solo or co-op open-world survival, crafting, and factory-building game where you transform a hostile planet into a habitable haven for humanity. Build, automate, and terraform. Control the climate, create a breathable atmosphere, and turn toxic lakes into water: shape a new world!
AutomationOpen World Survival CraftBase BuildingCraftingSandboxOpen WorldOnline Co-OpBuildingSurvivalAdventure👍 2,515
FreeStarship Theory
May 31 · Reconnect Software
Both: Space · Sci-fi
Starship Theory is a ship building survival game. Mine and trade to gather resources. Plan and construct new upgrades. Train and manage crew. Fight to survive.
Base BuildingSimulationStrategySpaceIndieSurvivalManagement2DSci-fiCasual👍 933




