Games like Istrolid
by treeform
In Istrolid you design your own unique spaceships from a large number of parts to fit your strategy and play style. With no set units or factions you are free to create a fleet where each ship has its own balanced strengths and weaknesses, from basic fighters and bombers to hulking battleships and speedy destroyers.
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Ranked by how similar the games actually are, not by sales. Released and Price are remembered for next time.
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$14.99Particle Fleet: Emergence
Sep 29 · Knuckle Cracker
Both: Space · RTS · Sci-fi
Build and design your own fleets and stand opposed to the Particulate in this physics/strategy/RTS/fleet hybrid. Build partially destructible and self repairing ships that interact with enemies less controlled by some scripted logic and more driven by a real time massive physics particle simulation.
StrategyIndieSimulationSpaceRTSReal-Time with PauseSci-fi2DSingleplayerPixel Graphics👍 1,198
$19.99Cosmoteer: Starship Architect & Commander
Oct 24 · Walternate Realities
Both: Sci-fi · Building · Space
Design and simulate the starships of your dreams! Command your ship or fleet in epic battles and manage your crew while exploring a dangerous galaxy. Play alone or with friends, test your ships in online PvP, and let your imagination reach for the stars!
Sci-fiSingleplayerBuildingSpace2DIndieStrategySpace SimExplorationMultiplayer👍 12,019
$24.99Starship EVO
Jun 19 · Moonfire Entertainment
Both: Building · Space · Sandbox
Mine and craft your way to orbit, build your own starship and explore a vast, dangerous galaxy alongside your crew. For players who love a meaningful survival progression, a unique and elegant building system, and epic space-opera scale.
IndieActionSimulationBuildingSpaceAdventureSandboxSci-fiOpen WorldEarly Access👍 1,322
$14.99StarMade
Dec 4 · Schine GmbH
Both: Space · Sandbox · Building
The ultimate space sandbox. Participate in epic fleet battles, form alliances, strive to dominate entire galaxies and harness the universe’s resources for your industrious empire or the destruction of others. Customise your experience, the universe is yours!
SpaceSandboxOpen WorldBuildingMultiplayerSci-fiVoxelAdventureIndieAction👍 2,199
$14.99Reassembly
Feb 19 · Anisoptera Games
Both: Building · Space · Sandbox
A spaceship building and universe-exploration game. Collect resources, expand and grow your fleet, and conquer your personal galaxy. Stellar ambience by Peaks.
BuildingSpaceSandboxStrategy2DActionIndieSingleplayerTop-DownOpen World👍 3,611
$14.99Gratuitous Space Battles
Nov 16 · Positech Games
Both: Space · Sci-fi · Sandbox
The first ever auto-battler game, from way back in 2009Who needs backstory? Who needs resource-gathering? Diplomacy is so last year. Gratuitous Space Battles cuts right to the chase of sci-fi strategy games, and deals with large, completely unjustified space battles between huge opposing space fleets.
StrategyAuto BattlerSpaceTop-DownSci-fiSpaceshipsSandboxIndie2DBuilding👍 568
$24.99Space Haven
May 13 · Bugbyte Ltd.
Both: Space · Sandbox · 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
$7.99Star Ruler
Sep 20 · Blind Mind Studios
Both: Space · RTS · Sci-fi
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
$24.99Avorion
Mar 9 · Boxelware
Both: Sandbox · Building · Space
A procedural co-op space sandbox where players can build their own space ships out of dynamically scalable blocks. Fight epic space battles, explore, mine, trade, wage wars and build your own empire to save your galaxy from being torn apart by an unknown enemy.
SandboxExplorationSpace SimBuildingSpaceOpen WorldFlightPvEChoose Your Own Adventure3D👍 13,003
$9.99AI War: Fleet Command
Oct 21 · Arcen Games
Both: RTS · Space · Sci-fi
"You are outgunned. You are massively outnumbered. You must win." These are your orders. Humanity has already fought its war against the machines -- and lost. AI death squads stand watch over every planet and every wormhole, the few remaining human settlements are held captive in orbiting bubbles, and the AIs have turned their...
StrategyRTSSpaceIndieSci-fiCo-op4XGrand StrategyDifficultTactical👍 993
$19.99The Last Starship
Feb 3 · Introversion Software
Both: Sandbox · Space · Sci-fi
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
$4.99Galaxy Reavers
Sep 18 · Good Games
Both: Space · RTS · Sci-fi
This is a fun yet challenging RTS game. To survive in the vast galaxy, you need to build up your own fleet and customize your warships. You will also learn to control them efficiently in battle to defeat your enemies, conquer planets, and expand your galactic empire!
StrategySpaceRTSIndieSci-fi👍 170
$29.99StarDrive
Apr 26 · Zero Sum Games
Both: Space · Sci-fi · 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
Outscape
Oct 22 · IDA Games
Both: Sci-fi · RTS · 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
$3.99Void Destroyer
Jan 20 · Iteration 11
Both: Space · Sci-fi · RTS
Combining the best of space combat and real time strategy. Victory can be tactical, a dogfight or capital ship slugging match - depending on how you decide to achieve it. Space combat on a RTS scale with space sim savagery.
StrategySimulationActionSpaceAdventureIndieSci-fiRTSSpace SimSingleplayer👍 268
$9.99Distant Star: Revenant Fleet
Apr 7 · Blazing Griffin
Both: Space · Sci-fi · RTS
BAFTA award winning fleet-based RTS meets rogue-lite. In Distant Star: Revenant Fleet, build your fleet of up to 5 ships from a choice of 8 classes and traverse a randomly generated galaxy to defeat the Erebus Platform. NOW AVAILABLE ON MAC AND LINUX
IndieStrategyActionSpaceSci-fiProcedural GenerationSingleplayerRoguelikeRTSAtmospheric👍 258
$19.99Interstellar Rift
Sep 24 · Split Polygon
Both: Building · Sandbox
Interstellar Rift is an open world starship simulator with an emphasis on ship construction and multi-player interaction. Survive in a hostile galaxy with your own custom designed and constructed starship. Invite other players to join your crew or fight them across the galaxy!
Space SimBuildingOpen WorldExplorationCraftingSandboxPvPMiningSurvivalFirst-Person👍 1,411
$39.99Galactic Civilizations IV
Oct 19 · Stardock Entertainment
Both: Space · Sci-fi · Sandbox
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
$9.99Interstellaria
Jul 17 · Coldrice Games LLC
Both: Space · Sci-fi · RTS
Managing a fleet across a dangerous galaxy. Every star and planet holds untold riches and dangers. Each encounter will require skills in trading, diplomacy, and combat. Allocate power to engines, charge all weapons, and take on the worst the galaxy has to handle.
SpacePixel GraphicsExplorationDiplomacySci-fiSoundtrackRTSManagementTradingSpace Sim👍 353
$9.99Captain Forever Remix
Jun 3 · Pixelsaurus Games, Future Crayon
Both: Space · Building · Sci-fi
Can you create the raddest spaceship? Captain Forever Remix is the spaceship builder roguelike. Voyage across the Solar System and blast apart randomly-generated enemies for spare parts. This is an officially-licensed re-imagining of the indie classic Captain Forever.
SpaceAction RoguelikeIndieActionBuildingRogueliteSingleplayerFemale Protagonist2DSci-fi👍 319
$49.99X4: Foundations
Nov 30 · Egosoft
Both: Space · Sandbox · Sci-fi
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
$9.99Space Rogue
Sep 15 · Red Beat
Both: Space · Sandbox · Sci-fi
Take on the role of a spaceship captain. Explore new worlds, and engage in intense ship-to-ship battles. Develop unique battle tactics, upgrade your ship, and recruit crew members as you fight for peace or piracy.
SpaceStrategySurvivalIndieSandboxTacticalExplorationSimulationReplay ValueSci-fi👍 396
$5.99Phantom Signal — Sci-Fi Strategy Game
Jan 16 · Veslo Games
Both: Space · Sci-fi · RTS
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.
StrategyCasualSimulationTower DefenseSpaceSci-fiIndieSingleplayerSpace SimRTS👍 134
Starfall Online
Feb 20 · Snowforged Entertainment
Both: RTS · Space
Starfall Online is a real-time multiplayer strategy mixed with wargame. Three rival factions — Deprived, Vanguard and Eclipse rule the world, and you are to become the part of the confrontation between them. Gather your own fleet and embark on a journey through the Galaxy!
RPGMassively MultiplayerStrategyFree to PlayRTSSpace
FreeCubeGun
May 21 · candyrocketstudio
Both: Sandbox · Building
A Sandbox Multiplayer Airship Shooting Game.Design battleships with weapons in a "rock paper scissors" mechanic.Shoot or Collide enemy ships into pieces.Challenge players all over the world with ships designed by yourself!
Free to PlaySandboxMultiplayerIndieActionEarly AccessCraftingBuilding
$12.99Star Nomad 2
Dec 14 · Huy Phan
Both: Space · Sandbox · Sci-fi
A space trader & combat sim meets squad-RPG, large scale conquest, choice driven gameplay with fluid & punchy tactical real-time combat set in a dynamic open-world sandbox.
RPGSimulationSpaceStrategyIndieOpen WorldSandboxSci-fiRoguelite2D👍 137
-80%$1.99Space Empires: Starfury
Aug 3 · Malfador Machinations
Both: Space · RTS · Sci-fi
In Space Empires: Starfury you are on a wild intergalactic ride through the Space Empires universe. You are an undercover agent for the TCN (Terran Confederation Navy) trying to determine the cause of a recent escalation of pirate attacks in the Neutral territories.
StrategySpaceReal Time TacticsRTSTradingSpace SimManagement3DActionSci-fi
$19.99SPORE™ Galactic Adventures
Jun 23 · EA - Maxis
Both: Space · Sandbox · Sci-fi
Take Your Creature From Zero To Galactic HeroGet out of your starship and turn your Spore creatures into legendary Space Captains. For the first time, beam down with your allies to take on action-packed, planetside adventures. Complete quests, collect rewards, and even create your own missions.
SimulationActionSpaceAdventureExplorationOpen WorldSandboxSingleplayerStrategySci-fi👍 7,250
$4.99Galimulator
Mar 16 · Snoddasmannen
Both: Sandbox · Space
Galimulator is a galactic empire simulation and sandbox game. See how Empires rise and fall, and how the people in them climb through the ranks to bring prestige to their Dynasty. Then throw in an invasion of self replicating Smatter monsters if you want to spice things up.
SimulationSandboxStrategyGod GameSpaceIndieSingleplayer👍 478






