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
$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%$19.99Terra Invicta
Jan 5 · Pavonis Interactive
Both: 4X
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
$19.99SpaceBourne 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
-20%$18.39Space Imperia 4X
Jul 28 · Breich Games
Both: PvP · 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
-50%$24.99ENDLESS Legend™ 2
4 days ago · AMPLITUDE Studios
Both: 4X
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
$39.99MENACE
Feb 5 · Overhype Studios
Both: PvE
Lead a strike force against an alien threat in this turn-based tactical RPG from the developers of Battle Brothers. Answer distress calls across different worlds, train and equip infantry, deploy tanks and mechs, and plan and execute missions in detailed turn-based battles.
StrategyRPGTurn-Based TacticsTurn-Based StrategySci-fiTurn-Based CombatTacticalTurn-BasedPvECharacter Customization👍 12,304
$29.99Pax Dei
Oct 16 · Mainframe Industries
Both: Base Building · PvP · PvE
Welcome to a vast, social sandbox MMO inspired by the legends of the medieval era. Here, myths are real, ghosts exist, and magic is unquestioned. Join thousands of players as you explore the land, build your home, forge your reputation, and craft your own stories. What world will you make?
MMORPGSandboxOpen WorldMedievalCraftingBase BuildingRPGExplorationPvPPvE👍 7,166
$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
$19.99Ostranauts
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
$39.99Xenonauts 2
Apr 2 · Goldhawk Interactive
Both: PvE
Wage a global war of resistance against an alien invasion. Command turn-based tactical battles, build a network of covert bases, directly control your fighter wings, and achieve strategic victory in a simulation of asymmetric warfare against a technologically superior foe.
StrategyRPGTurn-Based TacticsTurn-Based StrategySci-fiTurn-Based CombatTacticalTurn-BasedPvECharacter Customization👍 4,857
-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
$17.99Microcivilization
Jan 22 · Ondrej Homola
Both: Base Building · 4X
Incremental clicker strategy, where you expand, construct, research, fight, collect heroes and make choices between good and evil. Ascend through difficulty tiers by playing through challenge campaign going back and forth through history. Mammoths included.
IncrementalBase BuildingResource Management4XHistoricalStrategyAutomationInventory ManagementCity BuilderGod Game👍 1,437
$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
$29.99Soulmask
Apr 9 · CampFire Studio
Both: Base Building · PvE · PvP
Don the Ancient Mask. Wield the power of gods. Possess any of your tribespeople, recruit followers, and build a thriving automated civilization. Survive, expand, and forge your own legacy across a vast ancient open world — together with friends.
SurvivalBase BuildingOpen WorldCraftingPvEPvPHuntingSandboxAdventureSingleplayer👍 18,451
$29.99Active Matter
6 days ago · Matter Team
Both: PvE · PvP
Join dangerous raids for loot or intense PvP battles in this new realistic military shooter set in a fractured multiverse. Fight in the quantum unstable zones over control of the active matter – the substance that bends time and space.
FPSHorrorExtraction ShooterPvEPvPAtmosphericCo-opOnline Co-OpMultiplayerAction👍 802
$19.99Repterra
Aug 20 · Chute Apps
Both: Base Building · RTS · PvE
Repterra is a base-building survival RTS set in a world overrun by dinosaurs. Manage your colony while battling massive dino hordes. Breed and ride your own dinos, unlock permanent upgrades, and fight to reclaim the world for humanity.
Real-Time with PauseBase BuildingDinosaursTower DefenseRTSCity BuilderStrategyPvEResource ManagementIsometric👍 122
-30%$17.49Stellar Tactics
Mar 30 · Don Wilkins
A Sci-Fi role-playing game featuring turn-based ground combat, space exploration, deep character customization and a massive living universe with thousands of star systems. Equip your ships with the best equipment you can find, gather a powerful crew of mercenaries and set out into the void!
CRPGExplorationTactical RPGTurn-Based TacticsDungeon CrawlerSandboxParty-Based RPGCharacter CustomizationRPGIsometric👍 1,667
$19.99Screeps: Arena
Nov 1 · Screeps, LLC
Both: PvP · RTS
Screeps: Arena is an online asynchronous PvP strategy game for programming enthusiasts. You write real JavaScript to control your units, and they fight autonomously against other players in a 1v1 match-based arena environment.
StrategyAsynchronous MultiplayerPvPArtificial IntelligenceRTSTurn-Based TacticsAutomationeSportsReal Time TacticsSimulation👍 105
$39.99Heroes of Might and Magic: Olden Era
Apr 30 · Unfrozen
Both: 4X
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
$34.99Pioneers of Pagonia
Dec 11 · Envision Entertainment
Both: Base Building · PvE
Rebuild hope in a world that was lost in the fog. Lead your Pioneers across the isles of Pagonia, unite scattered tribes, raise thriving communities and discover the history of your people as you reclaim your world in the new story campaign.
StrategyResource ManagementColony SimOnline Co-OpFantasyBase BuildingCity BuilderManagementProcedural GenerationPvE👍 4,794
$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
$19.99MegaFactory Titan
Jun 2 · Q Switched Productions, LLC
Both: Base Building
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
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
$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
$19.99Eden Crafters
May 7 · Osaris Games
Both: Base Building
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
$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
$9.99The Quinfall
Feb 6 · Vawraek Technology Inc.
Both: PvP
Embark on an adventurous journey to explore the Quinfall universe. Be a part of unique battles and an immersive story with dozens of different professions in the depths of medieval times in an all-new MMORPG experience.
Massively MultiplayerMMORPGOpen WorldRPGCharacter CustomizationMultiplayerMedievalAdventureAction RPGPvP👍 12,074
-40%$2.99Thuggin It Further
2 days ago · Firetoad Games, Nebula Radiance
Both: PvE
High intensity co-op roguelite space adventure party game for 2–4 players (or bots). Take on crew jobs, keep a failing ship alive, and survive procedural missions with endless exploration, light RPG progression, and real-time crisis gameplay.
Early AccessAction RoguelikeExplorationStrategyRoguelitePvEArcadeParty GameAction-AdventureRoguelike
$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
$29.99Heroes of Science and Fiction
Mar 17 · Oxymoron Games
Both: 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
$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
$19.99Becastled
Oct 22 · Mana Potion Studios
Both: Base Building · RTS
Build a castle by day and defend it by night. Becastled blends cozy city-building with challenging tower defense strategy. Lead the Sun Kingdom’s last stand against the Moon Beasts and end the ancient conflict between light and darkness!
Base BuildingStrategyCity BuilderMedievalBuildingRTSColony SimWarMilitarySingleplayer👍 5,352
$7.99Terraspace
Dec 31 · Black Apple
Both: Space Sim
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
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
$19.99FATAL FURY: City of the Wolves
Jan 22 · SNK CORPORATION
Both: PvP
26 years on, a brand-new entry in the Fatal Fury series is set to arrive on the scene! FATAL FURY: City of the Wolves features a unique art style that stimulates the senses and an innovative REV System that supercharges the excitement. Here, at long last, a new legend is about to unfold…
2D FighterAction2DPvPMultiplayerFightingSpectacle fighterSingleplayerCompetitive3D👍 3,140
$29.99Nova Roma
Mar 26 · Lion Shield
Both: Base Building
The glory of Rome is at your fingertips in this city-building game where you must appease the gods, enact laws, and develop complex supply chains to meet the needs of your citizens.
StrategySimulationCity BuilderBase BuildingGrand StrategyHistoricalManagementBuildingSandboxEconomy👍 2,093
$7.99Arcadium - Space Odyssey
Jan 26 · Luciano Bercini
Both: Space
A bullet heaven roguelite set in a procedurally generated universe. Land on planets to harvest resources, craft hundreds of game-breaking builds, and unleash them on relentless waves of aliens. Every run unveils a new universe: endless challenges, endless discoveries.
Bullet HeavenRogueliteArcadeAction RoguelikeBullet HellProcedural GenerationTwin Stick ShooterTop-Down ShooterSpaceAliens👍 110
Also worth a look
Share some of the same DNA, but further from the original.
$29.99Valheim
12 days ago · Iron Gate AB
Both: Base Building
A collaborative exploration and survival game for 1-10 players, set in a procedurally generated afterlife inspired by Viking culture. Battle, build, and conquer your way to a saga worthy of Odin’s patronage!
Open World Survival CraftSurvivalOnline Co-OpOpen WorldMultiplayerBuildingCraftingBase BuildingExplorationCo-op👍 465,813
$24.99Forgotten Seas
Oct 11 · Pangea Game Studios
Both: PvE · Base Building
You are lost in the Bermuda Void, where the ocean is endless and dry land precious. Craft your Ship-in-a-Bottle, then experience survival on the high seas. Sail for new land, build camps, hunt for treasures, trade for goods - then defend your ship from dreaded pirates stalking this strange realm!
ActionCo-opPiratesCombatSurvivalSimulationPvEOnline Co-OpBuildingBase Building👍 475
-35%$20.79The Crust
11 days ago · VEOM Studio
Both: Base Building · Space
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
-55%$6.74Wild Assault
May 28 · Combat Cat Studio
Both: PvP
Wild Assault is an anthro-themed tactical shooter built with Unreal Engine 5, featuring large-scale battlefield gameplay centered around Valiant abilities. Work closely with your team, harness your instincts, and charge into battle to secure victory.
Hero ShooterThird-Person ShooterActionShooterPvPMassively MultiplayerMultiplayerThird PersonMilitary3D👍 3,866
$17.99Farlands
Jul 16 · JanduSoft, Eric Rodríguez
Congratulations, you’ve bought your own planet! An agrarian rock at the edge of the galaxy that, for some reason, was practically being given away for free. So the time has come to leave your hectic, stressful life in an overcrowded metropolis for a more rural and rewarding life.
Farming SimBuildingCraftingAgricultureExplorationLife SimEarly AccessCuteIndieFishing👍 1,628
$29.99Occupy Mars: The Game
Jan 30 · ▲ Pyramid Games
Both: Base Building · PvE
Survive and colonize Mars alone or in online co-op. Build and upgrade your base, craft equipment, mine resources, produce water, oxygen and food, explore an open world, and repair complex machinery in a technical survival sandbox.
Open World Survival CraftBase BuildingSurvivalCraftingOnline Co-OpOpen WorldResource ManagementExplorationSandboxPvE👍 2,717
$1.00The Joust
Jun 29 · The Joust
Both: PvE · PvP
The Joust delivers laughably fun physics, HD cartoony graphics, and endless ways to brawl! Battle as a medieval knight, a futuristic space warrior, or even an elephant... with over 80 classes to choose from, the choice is yours! Multiplayer and Singleplayer are supported in a first-class fashion!
MedievalPhysicsActionPvESimulationPvP3D FighterCharacter Customization3DFirst-Person
-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
$17.99Dying Breed
Oct 7 · Sarnayer
Both: RTS · Base Building
Golden-age RTS classic. Fast-paced action & strategic decision-making, battling evil arch-enemies, zombies, and retro-futuristic technologies. All to a '90s electro-metal soundtrack and FMV live-action cut scenes.
Early AccessStrategySingleplayerRTSBase BuildingTacticalActionWarPost-apocalypticSci-fi👍 218
-25%$9.74Dead Weight
Jul 16 · Klukva Games
Face the Ancient Gods! Set the sails of your flying pirate ship and embark on a roguelite adventure in the steampunk world of Dead Weight. Explore floating islands in search of loot. Choose a class and enjoy turn-based tactical combat on tiny battlefields where every step matters.
Turn-Based CombatStrategyRPGReplay ValuePixel GraphicsTurn-BasedTurn-Based StrategyTacticalRoguelikeAdventure👍 583
$28.99Scrap Mechanic
Jul 24 · Axolot Games
Both: Base Building
Enter the creative paradise of Scrap Mechanic! Build fantastic machines, go on adventures with your friends and defend against waves of evil Farmbots in this imaginative multiplayer survival sandbox. With Scrap Mechanic’s powerful creation tools you can engineer your own adventures!
BuildingSandboxMultiplayerSurvivalOpen WorldPhysicsCraftingBase BuildingCo-opAdventure👍 109,480





