Games like Phantom Signal — Sci-Fi Strategy Game
by Veslo Games
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.
View on Steam · $5.99 →
Ranked by how similar the games actually are, not by sales. Released and Price are remembered for next time.
Closest matches
$5.99Frontline Crisis
Aug 14 · BCQT
Both: Tower Defense · RTS · Space
Defend humanity's last hope, pilot a powerful mech, in Frontlines Crisis! A battlefield swarming with insects makes strategic and combat decisions crucial. Each decision will determine your fate. Defend humanity's last sanctuary, fight fiercely, and uphold human honor with wits and courage!
Tower DefenseTop-Down ShooterRTSStrategyPixel GraphicsSpaceMechsLocal Co-OpAction RTS1980s👍 348
$4.99Space Station Tycoon
Nov 1 · Lunheim Studios
Both: Space · Tower Defense · 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
$24.99Executive Assault 2
Oct 18 · Hesketh Studios Ltd
Both: RTS · 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
-30%$8.39From Glory To Goo
Apr 2 · Stratagem Blue
Both: RTS · Tower Defense
From Glory To Goo is a Sci-Fi survival RTS set on an alien world. Serve as humanity's bulwark by establishing a colony and supporting your colonists still in orbit. But beware, for The Goo, a relentless and shape-shifting force approaches from all sides, even above and below.
Base BuildingRTSTower DefenseReal-Time with PauseAction RTSResource ManagementColony SimCity BuilderStrategySandbox👍 1,796
$19.99The Last Starship
Feb 3 · Introversion Software
Both: Space · Sci-fi · 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
$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
-40%$10.49Tower Dominion
May 7 · Parallel 45 Games
Both: Tower Defense · RTS
Build and design the terrain while defending your stronghold against alien invasion in this unique Roguelike tower defense. Choose from 30 heroes, survive enemy waves, and upgrade a variety of destructive towers to hold the line!
Tower DefenseStrategyBase BuildingRoguelikeRTSTacticalRogueliteChoices MatterProcedural GenerationResource Management👍 5,124
$14.99IDUN - Frontline Survival
Jan 20 · IDUN Interactive
Both: Tower Defense · RTS · Sci-fi
A defense RTS where you can move turrets at will. Extract resources, upgrade technology, and defend against enemy swarms in a gripping space campaign. Hold the line, set up your turrets, and brace for screen-filling hordes!
3DBuildingWargameTower DefenseStrategyRTSSurvivalBase BuildingMiningSci-fi👍 685
$19.99Creeper World IXE
Dec 12 · Knuckle Cracker
Both: RTS · Tower Defense · Space
The unstoppable alien force known as The Creeper has returned, devouring thousands of worlds in its path, and yours is next. Battle against the Creeper fluid in a groundbreaking pixel-level simulation to prove that humanity will rule the galaxy forever!
RTSTower DefenseWargameReal Time TacticsSandboxSpace1980sWarPhysicsStrategy👍 855
$24.99Starcom: Unknown Space
Sep 2 · Wx3 Labs, LLC
Both: Space · Space Sim · Sci-fi
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
$59.99Homeworld 3
May 13 · Blackbird Interactive
Both: Space · RTS · Sci-fi
Tactical, beautiful, and wholly unique, the GOTY-winning sci-fi RTS returns with Homeworld 3. Assume control and battle through fleet combat in dazzling, fully 3D space while the award-winning story unfolds on a galactic scale.
SpaceRTSStrategySci-fiStory RichSingleplayerMultiplayerTacticalCo-opRoguelike👍 5,438
$49.99Sins of a Solar Empire II
Aug 15 · Ironclad Games Corporation, Stardock Entertainment
Both: Space · RTS · Sci-fi
Battle for galactic dominance in this real-time 4X strategy game with unrivaled scale! You’ll explore, expand, exploit, and exterminate through military force, diplomacy, trade, culture, influence, and other underhanded tactics.
SpaceStrategyRTS4XSingleplayerSci-fiMultiplayerTacticalCo-opPvE👍 7,158
$9.99Stellar Initiative
May 27 · Five Head Games
Both: Tower Defense · Sci-fi
Stellar Initiative is a roguelike tower defense game where you land on the planet and use your orbit ship to deliver buildings and support you with fire. Complete missions, install new upgrades, discover powerful artifacts, and find the best strategy!
Tower DefenseRoguelikeStrategyDifficultSci-fiPixel Graphics2DBase BuildingMechsProcedural Generation👍 406
$24.99Outpost: Infinity Siege
Mar 26 · Team Ranger
Both: Tower Defense · Sci-fi
Command Mobile Outpost and take XEN Firearm to venture deep into the Signet surveillance off-limit area. Collect unique Weapon Units. Amp up the firepower of the Outpost that fights with you. This is an FTD game - FPS, Tower Defense, Base Building and much more all at the same time.
Robots3DTower DefenseBase BuildingFPSResource ManagementCo-opSingleplayerPost-apocalypticSci-fi👍 11,637
-20%$15.99SENTRY
Mar 25 · Fireblade Software
Both: Tower Defense · Sci-fi
SENTRY is an action-defense first person shooter where you defend your spaceship against invading aliens. Plot an escape route through hostile space and battle the enemy across your vessel with the support of traps, turrets and environmental destruction.
Tower DefenseStrategyFPSSci-fiSurvivalActionColorfulStylized3DFirst-Person👍 847
$11.99Red Planet Rampart
Jun 9 · Beijing 1023 Technology CO., Ltd
Both: Space · Tower Defense · Space Sim
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
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
$9.99Cluckmech Oasis
May 9 · BlackLight
Both: Tower Defense
Cluckmech Oasis, a top-down shooting Roguelike tower defense game. Play as the Warcluck and lead your team of animal heroes in a fight for survival. Collect, build and upgrade defenses, and engage in intense battle against waves of plant enemies.
StrategyRoguelikeTower DefensePixel GraphicsTop-Down ShooterCuteRogueliteBuildingActionShooter👍 3,078
$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
-20%$23.99Space Engineers 2
Jan 27 · Keen Software House
Both: 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
$14.99Mechabellum
Sep 26 · Game River
Both: RTS
Command massive armies in this epic mech auto-battler. Draft your troops, customize your units, master your formations, and crush enemies in spectacular 3D battles. All strategy, no clickfest. Outsmart opponents in 1v1, 2v2, free-for-all, or Survival Mode.
StrategyAuto BattlerMechsRobotsWargameTacticalPvPMultiplayerRTSTurn-Based Strategy👍 17,866
-30%$20.99Desynced
Mar 5 · Stage Games Inc.
Both: RTS · Sci-fi
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
FreeImperius
Jun 13 · Incognito Interactive
Both: RTS · Space · Sci-fi
Imperius is an easy-to-learn, hard-to-master space RTS. Command devastating ships of the Imperius Navy and prove your loyalty by destroying everything in your path, no matter the cost.
StrategyRTSSpaceSingleplayerSci-fiFuturisticReal Time TacticsWarLore-RichBase Building
-25%$26.24Reentry - A Space Flight Simulator
Nov 7 · Lyra Creative
Both: Space · Space Sim
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
$23.99ShapeHero Factory
Sep 17 · Asobism.Co.,Ltd
Both: Tower Defense
In ShapeHero Factory, you’re the engineer of an ever-evolving paint-fuelled factory that spits out magical, shape-based warriors. Send them into battle - to death or glory - then build an even better factory on your next run.
AutomationBase BuildingTower DefenseRogueliteResource Management2.5DCuteStrategyBuildingSimulation👍 991
$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
$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
$24.99Void Crew
Nov 25 · Hutlihut Games
Both: Space Sim · Space
Void Crew is a Chaotic, Co-op Roguelite game for 1 to 6 players: Outfit your spaceship and crew for thrilling quests, brave fierce enemies in Space Battles... and try not to panic!
Co-opSpace SimMultiplayerRoguelitePvECharacter CustomizationAdventureFirst-PersonSpaceSimulation👍 6,577
$7.99Deep Dark Forest
Apr 15 · pixiangames
Both: RTS · Space Sim
You will have to lead the civilization, develop the economy, enhance the technology, stabilize the people and colonize new galaxies; when encountering unknown civilizations, will you hide yourself or communicate with them in a friendly way? In this "dark forest", every decision will be crucial.
SimulationStrategyRTSGrand StrategySpace SimReal Time TacticsWargameExplorationIsometricMilitary
-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
$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
$19.99Astrometica
Dec 10 · BeryMery
Both: Space Sim · Space · Sci-fi
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
$19.99Void War
Jun 2 · Tundra
Both: Space
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
$39.99Galactic Civilizations IV
Oct 19 · Stardock Entertainment
Both: Space · Sci-fi
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
$5.99Space industrial empire
May 24 · 游戏养家工作室
Both: Space
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
$9.99Wrath and Retribution
Apr 2 · Mad Vulture Games
Both: Space · 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
$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
$29.99Star Trek: Infinite
Oct 12 · Nimble Giant Entertainment
Both: Space · RTS
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
$4.99Space Outpost Sigma
Apr 21 · SigmaReels
Both: Space · Space Sim · Sci-fi
A single-player 2D top-down pixel game with space physics. Mine asteroids in the middle of an asteroid field using manual controls or by directing mining drones. Protect the outpost, buy from trading ships, mine as much ore as you can and survive as long as possible! Do you have what it takes?
SpaceMiningPhysics2DTop-DownPixel GraphicsFlightSingleplayerSpace SimSci-fi
$0.99Starship Destroyer
Nov 22 · North Star Studios
Both: Space Sim
A sci-fi space vehicle combat game, where the player must defend their capital ship from being destroyed, while attempting to destroy the alien force's own capital ship!
Third-Person ShooterVehicular CombatSpace SimWargameFlightPvEShooterActionThird Person3D
$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
$9.99STAR FLEET II - Krellan Commander Version 2.0
Nov 13 · Trevor Sorensen, Mark Baldwin
Both: Space Sim · Sci-fi
Welcome to the future of space warfare! Star Fleet II: Krellan Commander puts you in command of an advanced space battlecruiser and tasks you with exploring sectors, fighting and boarding enemy ships, and invading planets. Manage your ship, crew and escorts effectively and find your way to victory!
SimulationStrategyExplorationSpace SimImmersive Sim2DMinimalistText-BasedSci-fiSingleplayer
$4.99Star Survivor
Sep 20 · SpaceOwl Games, Erabit
Both: Space
Star Survivor is a space-themed survival game that blends intense deckbuilding strategy. Pilot humanity's last spaceship through the vast galaxy, Unlock powerful weapon combos, collect card modules, and craft unique builds. As the enemy swarms grow denser, will you be the last one standing?
CasualSurvivalAction RoguelikePhysicsBullet HellSingleplayerSpaceArena ShooterRogueliteDeckbuilding👍 540
FreeVenusville - Prologue
Aug 5 · Orbit Start Studios
Both: RTS · Space Sim
Guide a robotic mission in Venus’s polar clouds in this space colonisation city builder. Collect energy, mine resources, balance buoyancy to stay afloat, in the treacherous Venusian atmosphere, and build a self-sufficient base while navigating storms and acid clouds to hunt mysterious anomalies.
SimulationStrategyCity BuilderColony SimRTSSpace SimExplorationFlight3DStylized
$19.99SpaceBourne 2
Nov 18 · Burak Dabak
Both: Space Sim · 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
$7.99Swarm Grinder
Apr 22 · Last Bite Games
An action roguelite game with alien swarms and mechs. Battle enemies to make your way through a mass of spreading and evolving cells hosting dormant enemies. Collect a variety of game-changing skills and upgrades to create unique builds.
RoguelikeRogueliteAction RoguelikeBullet HellMechsProcedural Generation2DPixel GraphicsControllerAction RPG👍 1,164
FreeStormgate
Aug 5 · Frost Giant Studios
Both: RTS
Stormgate is a free-to-play real-time strategy game with a full single-player campaign, 3-player co-op, and PvP versus modes on over 60 maps. Our Editor is also freely available for you to craft just about any custom game mode you can imagine. Join our development journey today!
RTSBase BuildingStrategyMultiplayerWareSportsFree to PlayFuturisticTop-DownBuilding👍 2,104






