Games like Gemini Wars
by Camel 101
Take control of a fleet commander returned from exile, rise through the ranks of the United Space Federation forces and join an epic war across the stars.
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
-50%$19.99Terra Invicta
Jan 5 · Pavonis Interactive
Both: Grand Strategy · 4X · War
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
$19.99The Last Starship
Feb 3 · Introversion Software
Both: Space · Base Building · Space Sim
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
-50%$24.99ENDLESS Legend™ 2
4 days ago · AMPLITUDE Studios
Both: Grand Strategy · 4X · War
Lead your people to victory on an ever-evolving world in this strategy game featuring asymmetric factions led by powerful heroes. Build your empire, wield political influence, and raise grand armies to wage war in a race to uncover dark secrets buried within the planet.
StrategySimulationGrand Strategy4XTurn-Based StrategyMultiplayerHistoricalWarTacticalManagement👍 2,699
FreeStarship Theory
May 31 · Reconnect Software
Both: Base Building · Space
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
-20%$18.39Space Imperia 4X
Jul 28 · Breich Games
Both: Wargame · 4X
A faithful digital adaptation of the acclaimed board game Space Empires 4X by GMT Games, beloved by wargamers for almost two decades. Command the rise of your civilization and the fall of others, all in one to two hours.
Turn-Based TacticsWargamePvPBoard GameTabletopTurn-Based Strategy4XStrategy2DTurn-Based Combat
$29.99Heroes of Science and Fiction
Mar 17 · Oxymoron Games
Both: Grand Strategy · War · 4X
A turn-based sci-fi strategy that combines exploration and exciting clashes on the battlefield. Take control over several different species, raise powerful armies for your heroes and destroy your opponents! This HoMM-like is set in a scifi universe, with new mechanics on top of the classic formula.
StrategySimulationRPGMultiplayerTurn-Based StrategyGrand StrategyFantasyTacticalWar4X👍 852
$24.99Space Haven
May 13 · Bugbyte Ltd.
Both: Base Building · Space
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
$39.99Heroes of Might and Magic: Olden Era
Apr 30 · Unfrozen
Both: Grand Strategy · 4X · War
Heroes of Might and Magic: Olden Era is the official prequel hailing back to the origins of the genre-defining, critically acclaimed series of turn-based strategy games. Raise grand armies and wield devastating spells to overcome your foes in both solo and multiplayer.
StrategyRPGTurn-Based StrategyMultiplayerGrand StrategySimulation4XTacticalTurn-Based TacticsWar👍 19,290
$19.99Astro Colony
Jun 2 · Terad Games
Both: Base Building · 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
$59.99Geo-Political Simulator 2026 Edition
Nov 27 · Eversim
Both: Grand Strategy · RTS · Wargame
The latest expansion of the ultra-realistic world simulator, where you play as the head of state or the opposition! New Features: tourism simulator, party strategies with regime censures, personal wealth management, a European army, AI and robotics.
SimulationStrategyPolitical SimGrand StrategyRTSWargameReal Time Tactics3DTop-DownCapitalism👍 253
$19.99SpaceBourne 2
Nov 18 · Burak Dabak
Both: Space Sim · Base Building · Space
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
$34.99Solargene
Jan 19 · Alexander Semenov
Both: Base Building · Space Sim
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
$19.99The Front
Oct 30 · Samar Studio
Both: Base Building
The Front is a survival open-world crafting sandbox game. You are a resistance fighter sent back in time to stop the rise of a tyrannical empire. Collect resources, craft tech, build shelters, and fight monsters to accomplish your mission.
Open World Survival CraftMultiplayerSurvivalCraftingBase BuildingBuildingOpen WorldTower DefenseSandboxShooter👍 9,553
-30%$20.99Desynced
Mar 5 · Stage Games Inc.
Both: Base Building · RTS
Desynced is a sci-fi strategy game with fully customizable units and behaviors. Gather, build, research, and explore the unknown. Alone or with friends, unveil the mystery of an AI on the edge of self-awareness and uncover the hidden truth in this blend of strategy, automation, and exploration.
StrategyAutomationProgrammingBase BuildingSandboxCity BuilderRTSSci-fiMultiplayerSimulation👍 1,880
$19.99Hyperspace Deck Command
Oct 7 · Sleeper Games
Both: Space
Hyperspace Deck Command is a complex deck building roguelite. Command a massive space fleet that operates on individual turn timers, combine a wide variety of cards into powerful decks and master the dual-use status effects to defeat the hegemonising swarm.
Roguelike DeckbuilderCard GameRoguelikeDeckbuildingDifficultTurn-Based TacticsRogueliteSci-fiSpaceColorful
$17.99Angels Fall First
Jul 11 · Strangely Interactive Ltd
Both: Space
From commanding the battle standing on the bridge of your flagship all the way down to tactical infantry firefights - AFF brings together all the combat you ever loved in a rich science fiction setting. Boarding, pilotable capital ships, deep weapon customization and full Bot support included!
ActionFPSIndieMultiplayerSci-fiSpaceSimulationFirst-PersonSingleplayerTactical👍 3,834

