Games like Mars Horizon
by Auroch Digital
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.
View on Steam · $19.99 →
Ranked by how similar the games actually are, not by sales. Released and Price are remembered for next time.
Closest matches
$34.99Solargene
Jan 19 · Alexander Semenov
Both: Space Sim · Management · Building
Take Command of a Space Corporation in the Sci-Fi Simulator Solargene! Manage personnel, design and develop colonies and orbital stations across the solar system! Mine resources, establish logistics, research cutting-edge technologies, trade, and complete missions
Colony SimBase BuildingCity BuilderSpace SimResource ManagementSandboxManagementBuildingEconomyStrategy👍 777
$19.99Mars First Logistics
Sep 25 · Shape Shop
Both: Mars · Building
Build physically simulated rovers to transport awkwardly shaped cargo across the rugged terrain of Mars. Earn funds, unlock new parts, and use your ingenuity to help the Martians establish a new home. Playable solo or in online co-op!
StylizedMarsCo-op3DBuildingSandboxPhysicsPuzzleTransportationRobots👍 3,498
$11.99Red Planet Rampart
Jun 9 · Beijing 1023 Technology CO., Ltd
Both: Space · Building · Mars
You are deployed to the desolate red planet to reforge humanity's hope. With no hospitable atmosphere, no nurturing water sources, only relentless storms, unknown alien creatures, you must use wit and determination to survive on this alien land and build a Mars base of your own.
RPGSpaceBuildingCasualMarsAdventureFlightTower DefenseSpace SimSandbox
-35%$20.79The Crust
11 days ago · VEOM Studio
Both: Space · Building · Management
Build and automate a lunar colony that Earth depends on. Mine regolith, run conveyor-and-drone factories above and below the surface, manage colonists, trade with rival Earth factions — and play a story campaign with multiple endings.
Base BuildingSpaceAutomationColony SimResource ManagementSandboxStrategyCity BuilderBuildingManagement👍 3,556
-25%$26.24Reentry - A Space Flight Simulator
Nov 7 · Lyra Creative
Both: Space · Space Sim · Science
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
$4.99Space Station Tycoon
Nov 1 · Lunheim Studios
Both: Management · Space · Building
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
$24.99Space Haven
May 13 · Bugbyte Ltd.
Both: Space · Management · Building
Embark on a space voyage with your ragtag crew of civilians in search of a new home. Build spaceships tile by tile, create optimal gas conditions, manage the needs and moods of their crew, encounter other space-faring groups, and explore the universe in this spaceship colony simulation.
Colony SimBase BuildingSurvivalStrategySpaceManagementSandboxSimulationBuildingSci-fi👍 10,267
$12.99Obelisk Foundry
Apr 29 · ZxStudio
Both: Building · Science · Management
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
$19.99Ostranauts
Aug 3 · Blue Bottle Games
Both: Space Sim · 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
$19.99The Last Starship
Feb 3 · Introversion Software
Both: Space · Space Sim · Building
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
$24.99Executive Assault 2
Oct 18 · Hesketh Studios Ltd
Both: Building · 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
$24.99InfraSpace
Sep 22 · Dionic Software
Both: Space · Building · Management
Create an extrasolar efficiency utopia from scratch! In this sci-fi city builder you need to start mining operations, plan production, and lay down transportation routes to ensure a smooth supply chain.
City BuilderAutomationTransportationSpaceResource ManagementSandboxBuildingEconomyManagementSci-fi👍 1,638
$19.99Astrometica
Dec 10 · BeryMery
Both: Space Sim · Space
Astrometica is a space exploration and base-building survival game. After a catastrophic event, explore vast space, gather resources, build bases, and uncover cosmic mysteries. Use advanced technology, craft tools, and discover new blueprints to survive and thrive in the unknown.
Space SimSurvivalOpen WorldFirst-PersonAdventureCraftingSpaceAutomationBase BuildingSci-fi👍 2,913
-50%$19.99Terra Invicta
Jan 5 · Pavonis Interactive
Both: Historical · Management
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
$19.99Archean
May 16 · batcholi, FloDKSM
Both: Building · Science · 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
$24.99Starcom: Unknown Space
Sep 2 · Wx3 Labs, LLC
Both: Space · 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
$8.99REPUNK
Jun 17 · Almar
Both: Mars
Explore abandoned outposts on the surface of Mars, driving a nuclear powered vehicle built in 1942. Find books and discs while you uncover the mysteries hidden under the red Martian sand.
MarsAtmosphericWalking SimulatorOpen WorldExplorationAdventureDrivingStory RichSingleplayerIndie
$5.99Space industrial empire
May 24 · 游戏养家工作室
Both: Space · Management
This is a idle game modeled on industrial building gameplay. It will be three-dimensional, complex industrial assembly line, easy, simple plane conveyor belt. At the same time to join the battleship assembly, space campaign, character development, giant construction, trade orders and other gameplay!
AutomationSpaceIndieManagementIdlerStrategyLootCasualSingleplayerWord Game👍 1,022
$24.99Star Trucker
Sep 3 · Monster and Monster
Both: Space Sim · Space
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
$24.99Cubic Odyssey
May 14 · Atypical Games
Both: Building
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
$9.99Space Architect
Nov 23 · Albert Wiatr
Both: Management
Design your dream space station in Space Architect! Master the power of automation or 'hire' an army of crewmates to handle your ever-growing production. Mine asteroids, fabricate goods, and engage in interstellar trade to pay off the menacing Big Evil Corp. Will you thrive in the vastness of space?
IndieColony SimBase BuildingManagementTop-DownStrategySurvivalAutomationCartoonySimulation👍 294
-20%$23.99Space Engineers 2
Jan 27 · Keen Software House
Both: Building · Space
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
-60%$4.79Stellar Settlers: Space Base Builder
Feb 22 · Tinymice Entertainment
Both: Building · Mars · Space
Stellar Settlers is a chill space base/city builder and colony sim game. With unique vertical and horizontal base-building gameplay, settle on 10 hostile alien planets and build your own thriving colony. Get enough materials to build a physics-based Spaceship and try to escape from disasters.
City BuilderBase BuildingColony SimResource ManagementStrategySimulationBuildingSurvivalMarsSpace👍 744
$19.99QANGA
Sep 2 · iolaCorp Studio
Both: 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
$19.99Astro Colony
Jun 2 · Terad Games
Both: Space · Building
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
$29.99Star Trek: Infinite
Oct 12 · Nimble Giant Entertainment
Both: Space · Management
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
$39.99Galactic Civilizations IV
Oct 19 · Stardock Entertainment
Both: Space
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
$19.99Space for Sale
Apr 15 · Mirage Game Studios
Both: 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
$19.99Surviving the Abyss
Nov 5 · Rocket Flair Studios
Both: Building · Management
Earth, 1976. You have been tasked with managing a deep-sea science facility working to perfect cloning. Explore the darkness and keep your crew alive in this hardcore survival colony builder. And beware. The darkness hides untold horrors.
City BuilderColony SimExplorationUnderwaterBuildingManagementBase BuildingSurvivalDifficultEconomy👍 1,045
$19.99Void War
Jun 2 · Tundra
Both: Space · Choices Matter
Command an ancient starship and fight your way to the heart of a dying Empire. Fend off attacks from demented cultists, craven space pirates, and xenophobic Imperial soldiers. Discover powerful artifacts and use them to build your ship into a fearsome war engine.
SpaceRoguelitePerma DeathChoices MatterStrategyDifficultReplay ValueRoguelikeResource ManagementReal-Time with Pause👍 3,661
$29.99The Invincible
Nov 6 · Starward Industries
Both: Choices Matter · Space
Rethink human’s dominion in The Invincible: a story-driven adventure set in a hard sci-fi world by Stanisław Lem. Discover planet Regis III as scientist Yasna, use atompunk tools looking for a missing crew and face unforeseen threats. Make choices in a philosophical story that’s driven by science.
Dialogue HeavyAdventureRobotsWalking SimulatorFuturisticSci-fiChoices MatterFemale ProtagonistSpaceMultiple Endings👍 10,083
$19.99MegaFactory Titan
Jun 2 · Q Switched Productions, LLC
Both: Building · Management
A factory-building game. Survive a harsh climate, strip mine an infinite world, and build a sprawling factory, then trade or go to war with Colonists, Governments, Pirates, Rebels, and more!
BuildingAutomationResource ManagementBase BuildingProcedural GenerationMiningCity BuilderManagementCapitalismEconomy👍 150
$19.99Astronomics
Feb 10 · Numizmatic
Both: Space
Welcome to the asteroid belt. The work is dangerous, the asteroids are temporary, and Earth is prohibitively expensive. Build automated mining operations, complete contracts, and earn your way back home.
SpaceProcedural GenerationExplorationTop-DownPhysicsTime Management3DSci-fiSandboxCollectathon👍 707
$29.99Between the Stars
Mar 7 · Isolated Games
Both: Space · Space Sim
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

