Games like Sins of a Solar Empire: Trinity®
by Ironclad Games Corporation, Stardock Entertainment
In Sins of a Solar Empire: Trinity, you are the leader of a civilization embroiled in a galactic war, fighting for the survival of your entire race against relentless foes.
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
$49.99Sins of a Solar Empire II
Aug 15 · Ironclad Games Corporation, Stardock Entertainment
Both: Space · RTS · 4X
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
$29.99StarDrive
Apr 26 · Zero Sum Games
Both: 4X · Space · RTS
As a space bear, human or any other race, venture forth into the galaxy, create custom ships, conquer new worlds, build new colonies and defend your very existence against those who would take what is yours.
Strategy4XSpaceIndieSci-fiRTSSingleplayerReal-TimeExploration👍 1,253
$19.99Sins of a Solar Empire®: Rebellion
Jun 12 · Ironclad Games Corporation, Stardock Entertainment
Both: Space · RTS · 4X
Command a space-faring empire in Sins of a Solar Empire: Rebellion, the new stand-alone expansion that combines 4X depth with real-time strategy gameplay.
ManagementDiplomacyOnline Co-OpMultiplayerSingleplayerSimulationSpaceStrategyRTS4X👍 10,243
$29.99Ashes of the Singularity: Escalation
Nov 10 · Stardock Entertainment, Oxide Games
Both: RTS · Base Building · PvP
A massive-scale real-time strategy game where you command entire armies on a dynamic battlefield. Conquer multiple worlds across several single-player campaigns; or play with your friends in multiplayer combat.
RTSBase BuildingReal Time TacticsPvPModdableStrategyOnline Co-OpSci-fiTranshumanismMilitary👍 2,705
$24.99Executive Assault 2
Oct 18 · Hesketh Studios Ltd
Both: RTS · Space Sim · Base Building
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
$29.99Star Trek: Infinite
Oct 12 · Nimble Giant Entertainment
Both: 4X · 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
$29.99Galactic Civilizations III
May 14 · Stardock Entertainment
Both: 4X · PvE
Build a civilization that will stand the test of time in the largest space-based strategy game ever! Choose from dozens of unique races and make a name for yourself across the galaxy through diplomacy, espionage, technological advances, and more.
AliensSci-fi4XTurn-Based StrategySandbox3DGrand StrategyModdableHex GridPvE👍 8,337
Outscape
Oct 22 · IDA Games
Both: RTS · PvP · Space
Outscape is everything you love about traditional strategy games, but places your empire within a vast online galaxy alongside other real players. Outscape rewards skillful long-term strategic gameplay with a brilliantly refreshing new take on the 4X genre.
StrategySci-fiOnline Co-OpRTSPvPSpaceExploration4XManagementEconomy👍 394
$39.99Galactic Civilizations IV
Oct 19 · Stardock Entertainment
Both: Space · 4X
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
$49.99X4: Foundations
Nov 30 · Egosoft
Both: Space · Space Sim · 4X
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
Also worth a look
Share some of the same DNA, but further from the original.

STAR WARS™ Rebellion
Mar 1 · Coolhand Interactive
Both: RTS · 4X · Space
It is a time of great upheaval. The first Death Star has been destroyed, marking a major victory for the Rebellion. But the Empire remains strong. As commander, you must choose to take control of either the Rebel Alliance or the Galactic Empire. Your goal: complete domination of the galaxy.
StrategyGrand StrategySci-fiClassicRTS4X1990'sSingleplayerSpace👍 1,272
$39.99Polaris Sector
Mar 22 · SoftWarWare
Both: 4X · Space · Real-Time
Can anyone build an empire in a place like this? Other factions are naturally suspicious of newcomers and may wage war at the first sign of unidentified craft. Here, a natural death is an uncommon luxury.
StrategySimulation4XSpaceReal-Time with PauseGrand StrategyReal Time TacticsResource ManagementReal-TimeSingleplayer👍 419
$7.99Star Ruler
Sep 20 · Blind Mind Studios
Both: Space · 4X · RTS
Take command of a vast interstellar empire and safeguard your species from total extinction in a procedurally generated 3D galaxy (with the option to flatten it) from 1 System to 10,000+! Prove your species' ingenuity through a deep and intricate combat system where anything (from individual components on ships to the stars themselves)...
StrategyIndieSpace4XRTSSci-fiGrand StrategyGreat SoundtrackSingleplayerMultiplayer👍 261
$19.99Star Ruler 2
Mar 27 · Blind Mind Studios, Glacicle
Both: Space · 4X · RTS
Massive scale 4X-RTS set in space. Control hundreds of planets, manipulate galactic politics, research numerous advanced technologies, and command thousands of units and hundreds of planets in your quest for galactic dominance.
StrategySpace4XSci-fiRTSIndieMultiplayer👍 661
$5.99Master of Orion 2
Feb 25 · SimTex
Both: 4X · Space
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
$19.99PULSAR: Lost Colony
Jun 22 · Leafy Games
Both: Space Sim · PvE · Space
The co-op open-world space sim where everyone has a role! Pilot the ship. Reroute power. Launch nukes. Explore alien planets. Research new talents. Work together to find the Lost Colony! ...or just deliver some biscuits
Space SimOpen WorldCo-opSimulationFirst-PersonPvESpaceExplorationSci-fiMultiplayer👍 4,409
$5.99STAR WARS™ Galactic Battlegrounds Saga
Mar 1 · Ensemble Studios
Both: RTS · Base Building · Real-Time
Lead the great armies of the Star Wars™ Episode II: Attack of the Clones saga in intense real-time strategy clashes. Enter the fray as the Galactic Empire, Rebel Alliance, Wookies, Trade Federation, Gungans or Royal Naboo to determine the course of the Galactic Civil War.
StrategyRTSActionMultiplayerSingleplayerClassicSci-fiBase Building2DReal-Time👍 3,965
$24.99Lords of the Black Sun
Sep 12 · Arkavi Studios
Both: 4X · Space
Take command of one race to join the struggle for supremacy in the galaxy. As the leader of your empire you are tasked with exploring the stars, colonizing new worlds, managing your empire and conquering whoever dares to oppose you.
Strategy4XIndieSpaceTurn-BasedSci-fiTurn-Based StrategyAdventureSingleplayer👍 330
$34.99Starpoint Gemini Warlords
May 23 · Little Green Men Games
Both: Space · Space Sim · 4X
Strategy from the front lines! Starpoint Gemini Warlords combines 3rd person capital spaceship combat with 4X strategy and RPG gameplay elements. Build mighty war fleets and send them into battle or lead them into combat yourself. Become the Warlord and conquer the Gemini system!
SpaceRPGOpen WorldStrategySimulationSci-fiSpace SimSingleplayer4XSandbox👍 3,076
$19.99Sword of the Stars II: Enhanced Edition
Nov 30 · Kerberos Productions
Both: 4X · Space
The Enhanced Edition contains Sword of the Stars II: The Lords of Winter and the first expansion, the End of Flesh. The new expansion introduces the new playable race, the Loa. All previous DLCs containing new avatars, new combat music, alternate voices, skins, and new badges for the warships are also included.
Strategy4XSpaceSci-fiSingleplayerMultiplayerTurn-Based StrategyLore-RichTacticalTurn-Based👍 680
$5.99StarFringe: Adversus
Jul 26 · Casualogic, Droid Riot
Both: RTS · Base Building · Space
This is the story about the beginning of the conquest of outer space by earthlings. It began as a global idea of saving mankind from hunger and lack of resources, and ended as a brutal and merciless war in space far from Earth.
StrategyRTSBase BuildingSpaceIndieAdventureActionExploration4XTop-Down Shooter👍 139
$49.99Stellaris
May 9 · Paradox Development Studio
Both: Space · 4X
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
-80%$2.99Space Empires V
Oct 16 · Malfador Machinations
Both: 4X · Space
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
$29.99Planetary Annihilation: TITANS
Aug 18 · Planetary Annihilation Inc
Both: RTS · Base Building
Wage war across entire solar systems with massive armies at your command. Annihilate enemy forces with world-shattering TITAN-class units, and demolish planets with massive super weapons!
RTSStrategyReal Time TacticsBase BuildingMultiplayerSingleplayerSci-fiWarBuildingOnline Co-Op👍 11,401
FreeStar Conflict
Feb 27 · Star Gem Inc.
Both: Space Sim · PvE
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
$19.99Star Trek: Starfleet Command Gold Edition
Nov 22 · Interplay Entertainment Corp.
Both: Space · Real-Time · Space Sim
Dozens of missions & more than 50 ship designs put you in the captain’s chair for an amazing real-time space combat experience commanding ships from the United Federation of Planets, the Klingon Empire, the Romulan Star Empire, the Hydran Kingdom, the Gorn Confederation or the Lyran Star Empire!
StrategySimulationActionSpaceSci-fiReal Time TacticsReal-TimeSpace SimSoftwareSolitaire👍 211
$5.99Master of Orion 1
Feb 25 · SimTex
Both: 4X · Space
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-BasedSpaceClassicSci-fiSingleplayerTurn-Based Strategy2D1990's👍 441
$9.99Earth 2150 Trilogy
Nov 1 · Reality Pump Studios
Both: RTS · Space · Base Building
Your heroes and your armies will need strong leadership to take them on a spellbinding odyssey that has everything a gamer’s heart could wish for breathtaking worlds in space, battles against cunning enemies and even downright treason from your own government faction - are you up to it?
StrategyRTSSci-fiClassicSpaceBase BuildingMultiplayerSingleplayer👍 452
$29.99Interstellar Space: Genesis
Jul 25 · Praxis Games
Both: 4X · Space
Interstellar Space: Genesis is a turn-based space 4X strategy game in which you attempt to build a thriving galactic empire. Discover mysteries among the stars, colonize worlds, and engage enemies in tactical turn-based combat on your journey to becoming the ruler of the galaxy!
StrategyIndie4XSci-fiSpaceTurn-BasedTurn-Based StrategyExplorationSingleplayerTurn-Based Tactics👍 712
$14.99A Year Of Rain
Mar 13 · Daedalic Entertainment
Both: RTS · Base Building · PvP
A desolate realm, kept in flux by the rhythm of battle. A proving ground for those with great ambition. A Year Of Rain is the ultimate team real-time strategy game. Choose your faction, team up and take control of a legendary hero to lead your armies!
RTSBase BuildingCo-opPvPTeam-BasedCo-op CampaignOnline Co-OpMultiplayerCompetitiveClassic👍 503
$29.99StarDrive 2
Apr 9 · Zero Sum Games
Both: Space · 4X
StarDrive 2 is an exciting and evolutionary step forward for the StarDrive franchise. In this eagerly anticipated sequel, the core mechanics have evolved to incorporate a turn-based strategic layer, featuring spectacular realtime battles.
StrategyIndieSpaceSci-fi4XManagementTurn-BasedSingleplayer👍 1,933
$19.99STAR WARS™ Empire at War - Gold Pack
May 25 · Petroglyph
Both: RTS · Space
Command or corrupt an entire galaxy in the definitive Star Wars strategy collection. It is a time of galactic civil war. Will you take up the reins of the Rebellion, assume control of the Empire, or rule the Star Wars Underworld?
StrategyRTSSpaceSci-fiMultiplayerSingleplayerModdableModTacticalWar👍 36,159



