- #1 Istrolid
97% matchVery Positive87% of 2,684 reviews2016
Dev: treeform
Windows · Mac · Linux
Median: 1.0 hrsMean: 10.8 hrs≥1hr: 50%
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.
Why similar: Strategy 28.7%, Space 24.7%, Multiplayer 19.7%, RTS 16.6%, Indie 6.3%
Why You'll Like It: A fast-paced, space-based tactical game that allows for deep customization while maintaining an accessible real-time feel.
- #2 Mushroom Wars 2
96% matchMixed62% of 975 reviews2017
Dev: Zillion WhalesPub: Azur Games
Windows · Mac · Linux
Median: 5.6 hrsMean: 8.4 hrs≥1hr: 91%
In Mushroom Wars 2, enemy tribes of feisty mushroom creatures face off in short but fierce RTS battles. Step into the shoes of a fearless Mushroom Commander, choose a hero to lead your army, and take control of the battlefield in a variety of multiplayer modes or challenging story campaign.
Why similar: Strategy 39.7%, RTS 27.8%, Multiplayer 25.2%, Indie 7.3%
Why You'll Like It: This game features nearly identical core mechanics to Galcon, focusing on rapid, swarm-based tactical expansion across a battlefield.
- #3 Worbital
96% matchVery Positive89% of 475 reviews2019
Dev: Team Jolly Roger
Windows · Mac
Median: 4.1 hrsMean: 8.8 hrs≥1hr: 85%
With the shifting gravity on your side, aim your cannons, blast your enemies and enjoy the fireworks. Worbital is a real-time strategic artillery game in space, peppered with a heavy dose of cosmic chaos. The goal: be the last civilization standing!
Why similar: Space 15.7%, RTS 15.7%, Multiplayer 15.4%, Strategy 14.1%, Co-op 13.7%
Why You'll Like It: This fast-paced, arcade-style space strategy game emphasizes quick reactions and chaotic, physics-based combat.
- #4 Planets Under Attack
95% matchMostly Positive73% of 1,241 reviews2012
Dev: Targem GamesPub: Topware Interactive
Windows · Mac
Median: 3.3 hrsMean: 10.0 hrs≥1hr: 86%
Play as humans or robots in a brand new sci-fi strategy adventure! Travel into the far reaches of space, through cleverly designed star constellations and variable game modes, conquering enemy planets using 15 combinable technologies.
Why similar: Strategy 89.9%, Indie 3.4%, Space 3.4%, Multiplayer 2.5%, Sci-fi 0.8%
Why You'll Like It: It mirrors Galcon's core loop of moving fleets between planets to conquer systems in a competitive, sci-fi setting.
- #5 Auralux: Constellations
94% matchVery Positive81% of 175 reviews2016
Dev: Grove Street Games
Windows
Auralux: Constellations is the awaited sequel to Auralux, the critically acclaimed minimalistic Real Time Strategy game. Explore a dozen new gameplay mechanics through each constellation, one new feature at a time. It's Real-Time Strategy, deconstructed.
Why similar: RTS 29.8%, Strategy 29.6%, Space 16.3%, Minimalist 14.5%, Indie 9.8%
Why You'll Like It: A minimalist real-time strategy game that focuses on capturing stars and managing resources in a clean, space-themed environment.
- #6 Hades' Star
94% matchMostly Positive73% of 2,643 reviews2019
Dev: Parallel Space Inc
Windows · Mac
Median: 1.6 hrsMean: 55.7 hrs≥1hr: 55%
A unique space strategy game where thousands of players participate in one shared galaxy.
Why similar: Space 26.1%, Strategy 20%, Massively Multiplayer 12.2%, RTS 9.4%, Multiplayer 7.6%
Why You'll Like It: While slightly more methodical, it offers a persistent, space-based strategy experience that fans of Galcon's theme will appreciate.
- #7 Galaxy Control: 3D Strategy
93% matchMixed59% of 530 reviews2016
Dev: FX Games Media
Windows · Mac
Median: 1.1 hrsMean: 25.0 hrs≥1hr: 51%
Build your base and battle with other players to control the galaxy! Galaxy Control is an ultimate space combat strategy game with fast-paced combats! Gather minerals and extract uranium, defend your base with laser towers, missile turrets, cannons, walls and mines.
Why similar: Strategy 46.6%, Massively Multiplayer 28.6%, Space 24.8%
Why You'll Like It: A space-themed strategy game that emphasizes rapid base expansion and real-time combat maneuvers.
- #8 Zero-K
91% matchVery Positive94% of 4,227 reviews2018
Dev: Zero-K Team
Windows · Linux
Median: 2.3 hrsMean: 33.5 hrs≥1hr: 67%
With 100+ truly unique units, Zero-K is an RTS of freedom and creativity, tempered by a decade of refinement. Sculpt land into a castle and throw invaders off it with a Jugglenaut. Explore a massive campaign, solo or co-op. Hop online for epic 32 player battles or fast paced 1v1, on 100s of maps.
Why similar: Strategy 24.3%, RTS 22.7%, Real-Time 20.2% ★, Multiplayer 14%, Co-op 7.2%
Why You'll Like It: A highly dynamic, physics-driven RTS that rewards fast movement and aggressive expansion across the map.
- #9 Stellar Commanders
92% matchMixed58% of 101 reviews2020
Dev: Blindflug Studios AG
Windows
Conquer the stars in this straightforward multiplayer real-time strategy game from the creators of First Strike and become a Stellar Commander!
Why similar: Real-Time 18.1% ★, RTS 14.1%, Competitive 12.4% ★, Space 12.3%, Multiplayer 11.5%
Why You'll Like It: A fast-paced, space-based tactical game that focuses on quick, decisive battles rather than slow economic management.
- #10 Beyond the Void
91% matchMixed57% of 136 reviews2018
Dev: B2Expand
Windows · Mac
Median: 1.8 hrsMean: 10.4 hrs≥1hr: 56%
Beyond the Void is a new hybrid strategy game in space, with RTS and MOBA mechanics. It's F2P. Experience the thrill of being a Captain and lead epic space wars in 1 vs1. Design your own strategy and fleet to become the one who'll dominate the galaxy!
Why similar: Strategy 42%, Space 21.1%, Multiplayer 18.3%, Indie 11.1%, PvP 7.4%
Why You'll Like It: A competitive, space-based multiplayer game that focuses on tactical ship movement and quick decision-making.
- #11 Tooth and Tail
89% matchMostly Positive80% of 4,111 reviews2017
Dev: Pocketwatch Games
Windows · Mac · Linux
Median: 2.9 hrsMean: 4.9 hrs≥1hr: 78%
Lead the revolution with an army of flamethrowing Boars, mustard gas-lobbing Skunks, and paratrooper-puking Owls. Tooth and Tail is a Real-Time-Strategy game featuring Single Player, Online Competitive Play, Split Screen, Replays, and more. Build a base, lead your army, eat your enemies!
Why similar: Strategy 31.1%, RTS 29.8%, Multiplayer 19%, Competitive 11.4% ★, Indie 6.8%
Why You'll Like It: Designed specifically for quick, intense matches, this game simplifies RTS controls to focus on fast-paced tactical maneuvering.
- #12 VEGA Conflict
90% matchMixed58% of 4,985 reviews2015
Dev: KIXEYE
Windows · Mac
Median: 2.7 hrsMean: 90.8 hrs≥1hr: 63%
Stake your claim, command your fleets, and wage epic war in space.
Why similar: Space 25.5%, Strategy 21.1%, RTS 16.3%, Massively Multiplayer 15.5%, Multiplayer 11.3%
Why You'll Like It: This real-time space strategy game features intense, player-versus-player combat that requires constant fleet management.
- #13 Space Wars: Interstellar Empires
89% matchMixed66% of 241 reviews2017
Dev: Desert Owl Games LLCPub: ToHeroes Game Studios LLC
Windows · Mac
Median: 1.2 hrsMean: 17.6 hrs≥1hr: 54%
Helm your own ship, battle for supremacy in a multi-faction war, and conquer the cosmos in this science fiction turn-based strategy game. Select from more than 100+ diverse star ships and fight for territory across a 2D hex-based grid.
Why similar: Strategy 52.3%, Massively Multiplayer 39.4%, Indie 8.3%
Why You'll Like It: A tactical, space-based strategy game that emphasizes fleet positioning and quick, decisive engagements.
- #14 8-Bit Armies
88% matchVery Positive82% of 2,459 reviews2016
Dev: Petroglyph
Windows
Median: 4.6 hrsMean: 7.8 hrs≥1hr: 84%
8-Bit Armies is a retro Real-Time Strategy game. With a colorful, blocky voxel art style, 8-Bit Armies is Petroglyph's most fast-paced, friendly, and accessible RTS game to date. Featuring a campaign of 25 single-player missions, 12 co-op missions, multiplayer and skirmish modes.
Why similar: Strategy 40.5%, RTS 25.4%, Multiplayer 15.1%, Co-op 10%, Indie 9.1%
Why You'll Like It: This title offers a simplified, arcade-style approach to traditional RTS gameplay that feels very similar to Galcon's speed.
- #15 Space Warfare
86% matchMixed58% of 94 reviews2021
Dev: Little Stories
Windows · Mac · Linux
2D casual strategy
Why similar: Strategy 55.7%, Space 25.4%, Indie 18.9%
Why You'll Like It: A casual, space-themed strategy game that keeps the action moving quickly with simple, intuitive controls.
- #16 Galaxy Reavers
87% matchMixed70% of 204 reviews2016
Dev: Good Games
Windows
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!
Why similar: Strategy 37.3%, Space 28%, RTS 22.3%, Indie 7%, Sci-fi 5.5%
Why You'll Like It: This game provides a real-time tactical experience where managing ship movements in space is the primary focus.
- #17 Iron Armada
83% matchMostly Positive77% of 177 reviews2024
Dev: Bluedrake42Pub: Drakeling Labs
Windows
Median: 1.8 hrsMean: 816.3 hrs≥1hr: 54%
Iron Armada is a multiplayer, space-faring combat game where players must team up to build a fleet of ships in order to survive the perils of space and defeat the opposing player faction. Build ships of all shapes and sizes, mine resources, and scavenge parts with friends to conquer the universe!
Why similar: Strategy 74.9%, Space 13.5%, Multiplayer 7.8%, Indie 3.8%
Why You'll Like It: A space-themed action-strategy game that focuses on fast-paced combat and fleet management.
- #18 Galactic Ruler
85% matchMixed49% of 121 reviews2022
Dev: BattleGoat Studios
Windows
Median: 3.4 hrsMean: 7.1 hrs≥1hr: 96%
Galactic Ruler offers real time strategy game play at both planetary level and in space! Lead your faction in diplomacy or conquest across a procedurally generated galactic map where any system might hold hostile enemies or resource riches. Develop advanced technologies to rule the galaxy!
Why similar: Co-op 16.4%, Space 16.1%, 4X 15.8% ★, RTS 12.5%, Strategy 10.9%
Why You'll Like It: Offers real-time tactical combat in space that rewards players who can manage multiple fronts simultaneously.
- #19 Nova Empire
84% matchMixed53% of 283 reviews2022
Dev: Gamebear Tech
Windows
Median: 1.9 hrsMean: 12.5 hrs≥1hr: 57%
Build up a Space Empire and establish control of the Galaxy and the Universe! Nova Empire is a multiplayer space game in which the aim is to build your empire and conquer the galaxy in epic space battles against your rivals with other allies worldwide!
Why similar: Strategy 35%, 4X 27.3% ★, PvP 12%, Space 10.8%, Sci-fi 9.6%
Why You'll Like It: A real-time strategy game set in space that focuses on rapid expansion and competitive fleet battles.
- #20 Firmament Wars
86% matchMixed65% of 55 reviews2018
Dev: Neverworks Games
Windows
Firmament Wars is a multiplayer strategy game with fast-paced real-time warfare. Build a wall, fire cannons, and launch missiles on your way to victory! Select from 7 government types and compete with up to 8 players on a variety of maps! Go forth and conquer!
Why similar: Strategy 27.1%, Real-Time 19.2% ★, RTS 10.9%, Multiplayer 10.7%, 4X 9.3% ★
Why You'll Like It: A fast-paced, real-time strategy game that emphasizes quick rounds and aggressive multiplayer competition.
- #21 Galaxy Idle Clicker
79% matchMostly Positive75% of 1,122 reviews2025
Dev: SoehnlePub: TimeLost Gaming
Windows
Median: 12.1 hrsMean: 333.3 hrs≥1hr: 71%
Embark on an interstellar journey with Galaxy Idle Clicker! Conquer galaxies, upgrade your spaceship, and face off against a myriad of enemy ships. With engaging minigames, powerful upgrades, GIC delivers an unparalleled idle space adventure. Join the cosmic conquest today and dominate the universe!
Why similar: Space 56.3%, Indie 21.1%, Arcade 13.1%, Sci-fi 9.5%
Why You'll Like It: While an idler, it shares the space-themed expansion and growth mechanics that drive the core loop of Galcon.
- #22 Sins of a Solar Empire II
78% matchVery Positive84% of 8,167 reviews2024
Dev: Ironclad Games CorporationPub: Stardock Entertainment
Windows
Median: 9.5 hrsMean: 28.7 hrs≥1hr: 85%
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.
Why similar: Space 17.1%, Strategy 15.1%, 4X 13.4% ★, RTS 13.3%, Real-Time 10.4% ★
- #23 The Infinite Black
82% matchMixed66% of 212 reviews2016
Dev: SpellbookPub: www.Spellbook.com
Windows · Mac · Linux
Median: 5.5 hrsMean: 83.9 hrs≥1hr: 73%
Fleet up with thousands of players in The Infinite Black -- The wildly popular online space combat and adventure game! Command massive spaceships, form powerful corporations, and battle it out in never-ending intergalactic warfare!
Why similar: Strategy 36.9%, Massively Multiplayer 26.7%, Space 24.7%, Indie 11.7%
Why You'll Like It: A space-based MMO that offers a persistent strategy experience with a focus on competitive expansion.
- #24 Natural Selection 2
81% matchVery Positive85% of 13,305 reviews2012
Dev: Unknown Worlds Entertainment
Windows
Median: 2.9 hrsMean: 24.2 hrs≥1hr: 85%
A fast paced multiplayer shooter that pits aliens against humans in a strategic and action-packed struggle for survival!
Why similar: Multiplayer 19.1%, Strategy 18.9%, Team-Based 13.3%, RTS 12.9%, Competitive 9.2% ★
Why You'll Like It: While an FPS-RTS hybrid, it captures the intense, team-based tactical coordination found in competitive strategy games.
- #25 Relentless Expanse
76% matchVery Positive90% of 102 reviews2025
Dev: Cowmera Games
Windows
Capture and upgrade planets, outsmart your enemies, and conquer the galaxy! Simple yet addicting, you can play alone or outsmart your friends in this 2D top-down space RTS. Completely free, no monetization, just fun!
Why similar: Strategy 22.6%, RTS 21.3%, Space 19%, Multiplayer 18.7%, PvP 6.7%
- #26 SPACECOM
81% matchMixed68% of 527 reviews2014
Dev: Flow CombinePub: 11 bit studios
Windows · Mac · Linux
Median: 3.1 hrsMean: 5.2 hrs≥1hr: 94%
SPACECOM – a strategic-to-the-bone, starfleet command game in which deception, smart movement, and choices to battle decide victory or defeat.
Why similar: RTS 18.9%, Strategy 16.2%, 4X 13.6% ★, Space 10.8%, Multiplayer 10.6%
Why You'll Like It: A tactical space RTS that strips away complex base building to focus purely on fleet movement and positioning.
- #27 Arena
78% matchVery Positive92% of 241 reviews2020
Dev: Clay Peterson
Windows · Mac
Fight for your freedom to exist as a magical freak!
Why similar: Indie 100%
Why You'll Like It: A minimalist, competitive strategy game that strips the genre down to its most essential tactical elements.
- #28 Ruthless Conquest
79% matchVery Positive87% of 99 reviews2019
Dev: Candy Rufus Games
Windows
Send the fleet to capture planets and expand your empire, until you vanquish them all! No ads, no in-app purchases, completely free. Local and internet multiplayer is supported in this galactic strategy game. Six levels of challenging AI await you for practice matches and for making up numbers.
Why similar: Strategy 100%
Why You'll Like It: A straightforward strategy game that focuses on quick, aggressive expansion across a map.
- #29 ThreadSpace: Hyperbol
80% matchMostly Positive74% of 50 reviews2007
Dev: Iocaine Studios
Windows
Median: 6 minMean: 4.3 hrs≥1hr: 28%
ThreadSpace: Hyperbol is an action-strategy game set in the distant future. Players battle each other on roads in space as they pilot massive ships capable of firing a wide variety of weapons. Create defenses, coordinate with your team, and launch an assault against your opponents to achieve victory!
Why similar: Real-Time 33.1% ★, Multiplayer 23.1%, Strategy 20.5%, Team-Based 16.9%, Indie 6.3%
Why You'll Like It: A real-time, 3D tactical game that focuses on ship-to-ship combat and quick maneuvering.
- #30 Planetary Annihilation: TITANS
76% matchVery Positive85% of 14,430 reviews2015
Dev: Planetary Annihilation Inc
Windows · Mac · Linux
Median: 3.9 hrsMean: 17.4 hrs≥1hr: 73%
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!
Why similar: RTS 21.2%, Strategy 18.4%, Multiplayer 13.2%, Space 12.3%, Co-op 11.2%
- #31 Star Ruler 2
77% matchVery Positive82% of 719 reviews2015
Dev: Blind Mind Studios
Windows · Linux
Median: 4.0 hrsMean: 8.9 hrs≥1hr: 93%
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.
Why similar: Strategy 26.7%, Space 22.2%, 4X 21.7% ★, RTS 18.2%, Sci-fi 5.8%
- #32 Subspace Continuum
77% matchVery Positive88% of 626 reviews2015
Dev: Virgin Interactive EntertainmentPub: Subspace Continuum
Windows
Median: 36 minMean: 43.7 hrs≥1hr: 46%
THE legendary free online multiplayer space shooter! Addictive, fast-paced, easy to learn, and impossible to master.
Why similar: Space 18.2%, Multiplayer 16.3%, Strategy 15.8%, Competitive 15.2% ★, Massively Multiplayer 13.3%
- #33 Pixel Starships
72% matchMostly Positive73% of 2,914 reviews2023
Dev: SavySoda
Windows · Mac · Linux
Median: 2.3 hrsMean: 24.8 hrs≥1hr: 64%
Pixel Starships is an FTL-style online sci-fi strategy builder and management game with a competitive PVP tournament. Set in the retro galaxy, your role is to explore space, meet aliens, and develop your ship, crew and AI. The game contains deep strategic and 4x elements. PSS is community-driven.
Why similar: Space 22.5%, Strategy 21.3%, 4X 19.9% ★, Multiplayer 15.2%, Massively Multiplayer 14.2%
- #34 AirMech
74% matchVery Positive84% of 10,812 reviews2018
Dev: Carbon Games
Windows
Median: 2.4 hrsMean: 19.3 hrs≥1hr: 67%
AirMech® Strike is a fast paced Action-RTS game that can be played solo, coop, or competitively online. Earn Kudos and Experience in battle and unlock a wide collection of AirMechs and Units while you practice the perfect strategy to emerge victorious!
Why similar: Strategy 25.1%, Multiplayer 22.8%, RTS 21%, Co-op 8.5%, Online Co-Op 6.9%
- #35 PlanetX
70% matchMixed66% of 50 reviews2025
Dev: Giedrius Talzunas
Windows · Mac
PlanetX is a real-time strategy MMO set on a spherical planet. Players expand territories, construct buildings, and manage resources to develop their empire. The ultimate goal is to conquer the entire planet by claiming all land plots and outpacing rivals in strategic growth and domination.
Why similar: Strategy 29.3%, RTS 24.9%, Space 15.8%, Futuristic 9.6%, PvP 5.5%
- #36 Galactic Lander
74% matchVery Positive92% of 118 reviews2018
Dev: ZeroByter Games
Windows
Inspired by the classic arcade Lunar Lander game, in Galactic Lander you control a delicate scientific spaceship which you must deliver from point A to point B, either alone, or with a friend in a co-op level, potentially made by the game's own Steam Workshop community!
Why similar: Real-Time 22.9% ★, Space 18.8%, Co-op 14.9%, Multiplayer 13.8%, Team-Based 11.6%
- #37 Solaris
73% matchVery Positive81% of 86 reviews2021
Dev: SpacialCircumstances
Windows · Mac · Linux
Discover a space strategy game filled with conquest, betrayal and subterfuge. Build alliances, make enemies and fight your way to victory and galactic domination. Will you conquer the galaxy?
Why similar: Strategy 46.6%, 4X 31.2% ★, Multiplayer 10.2%, Sci-fi 6.6%, PvP 5.3%
- #38 Gangs of Space
75% matchMostly Positive76% of 430 reviews2017
Dev: Little Big MMO
Windows · Mac · Linux
Median: 1.1 hrsMean: 281.6 hrs≥1hr: 53%
Gangs of Space is a massively-multiplayer Rogue Shmup where Gangs of players compete for the conquest of the galaxy.
Why similar: Massively Multiplayer 32.8%, Space 29.1%, Competitive 11.5% ★, Online Co-Op 11.3%, Indie 9.8%
- #39 Quintet
75% matchMostly Positive77% of 360 reviews2015
Dev: Carmine T. Guida
Windows · Mac · Linux
Median: 42 minMean: 20.4 hrs≥1hr: 43%
A cooperative, cross-platform, multiplayer scifi game where players control the same ship through 5 roles — Captain, Helm, Tactical, Engineering & Science. Battle with other player crews over the Internet.
Why similar: Space 32.5%, Multiplayer 24.2%, Co-op 19.4%, Indie 18.5%, Sci-fi 5.4%
- #40 Art of War: Red Tides
73% matchMostly Positive79% of 6,952 reviews2016
Dev: Game Science
Windows
Median: 1.2 hrsMean: 10.5 hrs≥1hr: 56%
Art of War: Red Tides is a fair multiplayer strategy game that allows different teams on the same platform (e.g. smartphones, PC, etc.) to battle against each other. You will encounter players around the world!
Why similar: Strategy 30.9%, RTS 27.3%, Multiplayer 25.6%, Co-op 9.3%, Indie 3.6%
- #41 Arena
73% matchMixed70% of 53 reviews2019
Dev: FX GAMES
Windows · Mac
Enter the Arena! From the creators of Galaxy Control comes a real-time multiplayer game starring the space stations assault and defence, your favorite Galay Control characters and much, much more.
Why similar: Strategy 75.9%, Indie 24.1%
- #42 Lazerbait
70% matchOverwhelmingly Positive96% of 512 reviews2016
Dev: Taylor Stapleton
Windows
Median: 54 minMean: 10.0 hrs≥1hr: 47%
Lazerbait is a free arcade strategy game set in virtual reality with one simple goal: capture all the planets to build more ships and destroy your enemies!
Why similar: Strategy 54.7%, RTS 20.1%, Indie 17.5%, Arcade 7.7%
- #43 Aetherspace
72% matchMixed63% of 84 reviews2017
Dev: Munchkin's Lair
Windows
Aetherspace is a game about turn-based battles between outlaw gangs. In space. With starships.
Why similar: Strategy 74.1%, Indie 25.9%
- #44 Star Crusade CCG
71% matchMostly Positive80% of 1,878 reviews2016
Dev: ZiMAD, Inc.
Windows
Median: 1.3 hrsMean: 25.0 hrs≥1hr: 57%
Star Crusade: War for the Expanse is a free-to-play, online, digital collectible card game (CCG) based in a richly styled sci-fi universe, where each player takes command of one of the six factions vying for supremacy in an unclaimed exotic sector of space.
Why similar: Strategy 59.5%, Massively Multiplayer 19.5%, Space 17.5%, Sci-fi 3.5%
- #45 Planet S
64% matchVery Positive92% of 2,816 reviews2023
Dev: Glimmerlight Games
Windows · Linux
Planet S is a real-time strategy game where your goal is to colonize multiple planets in a solar system to advance your civilization, build a city and supply it to grow your faction.
Why similar: Strategy 21.1%, RTS 20.7%, Space 20.5%, Multiplayer 19.9%, Futuristic 7.9%
- #46 Stellarcraft
61% matchVery Positive91% of 99 reviews2026
Dev: DreamStudios
Windows
Stellarcraft is a sci-fi tower defense adventure: explore alien planets, gather resources, build defenses, and fend off waves of enemies, solo or in 4-player co-op. 🚀
Why similar: Strategy 22%, Co-op 17.9%, Multiplayer 17.9%, RTS 15.8%, Online Co-Op 12.2%
- #47 Age of Conquest IV
69% matchVery Positive82% of 2,804 reviews2016
Dev: Noble Master LLC
Windows · Mac · Linux
Median: 1.8 hrsMean: 10.6 hrs≥1hr: 63%
Age of Conquest is a turn-based grand strategy wargame.
Why similar: Strategy 36.7%, Multiplayer 24.5%, Co-op 10.2%, RTS 8.9%, Indie 8.6%
- #48 Executive Assault 2
64% matchVery Positive83% of 1,726 reviews2023
Dev: Hesketh Studios Ltd
Windows · Mac
Median: 4.0 hrsMean: 8.4 hrs≥1hr: 76%
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.
Why similar: Real-Time 22.8% ★, RTS 20.8%, Strategy 16.8%, Space 14.9%, Multiplayer 12.5%
- #49 Starblast
69% matchVery Positive81% of 1,077 reviews2017
Dev: Neuronality
Windows · Mac
Median: 2.3 hrsMean: 22.8 hrs≥1hr: 65%
Fun, fast paced online multiplayer arcade space shooter. Take control of your spaceship, mine asteroids, increase your stats, upgrade to different types of spaceships with improved stats and weapons. Fight against other players and collect their gems.
Why similar: Space 45.1%, Massively Multiplayer 32.7%, Indie 14.8%, Arcade 7.5%
- #50 Dominus Galaxia: KS Edition
71% matchVery Positive84% of 242 reviews
Dev: StarChart-Interactive
Windows · Mac · Linux
Dominus Galaxia is a 4X space strategy game with a focus on amplifying strategic decisions and minimising non-strategic busywork.
Why similar: Strategy 75.8%, Indie 24.2%
- #51 War Planet Online: Global Conquest
70% matchMixed63% of 961 reviews2017
Dev: Gameloft
Windows
Median: 1.7 hrsMean: 34.4 hrs≥1hr: 59%
Build your army, dominate your region and lead your alliance to conquer the globe!
Why similar: Strategy 20.5%, Multiplayer 17.1%, 4X 15.3% ★, RTS 14.8%, Massively Multiplayer 14.7%
- #52 Command & Conquer™ Tiberium Alliances
65% matchMostly Negative38% of 295 reviews2025
Dev: EA PhenomicPub: Electronic Arts
Windows
Median: 1.6 hrsMean: 11.6 hrs≥1hr: 55%
From the genre-defining RTS franchise Command & Conquer comes a unique, free-to-play strategic warfare MMO experience!
Why similar: RTS 22.1%, Real-Time 18.3% ★, Multiplayer 17.5%, Competitive 17.2% ★, Strategy 11.3%
- #53 StarDrive
71% matchMixed45% of 1,482 reviews2013
Dev: Zero Sum Games
Windows
Median: 2.3 hrsMean: 6.7 hrs≥1hr: 88%
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.
Why similar: Strategy 28.8%, 4X 24.6% ★, Space 21.2%, RTS 14.2%, Indie 6.8%
- #54 Galaxy Admirals
68% matchVery Positive86% of 331 reviews2017
Dev: Jetdogs Studios
Windows · Mac · Linux
Median: 4.5 hrsMean: 7.7 hrs≥1hr: 96%
Galaxy Admirals is a multiplayer turn-based cosmic strategy with pretty innovative and challenging gameplay. Improve your command skills with AI and conquer the whole universe by fighting with real players.
Why similar: Strategy 72.1%, Space 14.3%, Multiplayer 10.5%, Sci-fi 3.2%
- #55 Aeon Command
69% matchMostly Positive79% of 414 reviews2014
Dev: Bat Country Games, LLC
Windows · Mac · Linux
Median: 3.0 hrsMean: 4.6 hrs≥1hr: 79%
Aeon Command is a tug of war strategy game, where you play as one of three unique factions to help gain dominance over the Aeon Nebula! Take control of your mother ship to gather resources, produce ships and fight off the enemy mother ship. Grow stronger as you progress through the 24 mission campaign and unlock new upgrades.
Why similar: Strategy 59.3%, Space 20%, Indie 15.1%, Sci-fi 5.5%
- #56 Space Aces
60% matchMixed63% of 350 reviews2026
Dev: DewEnforcerPub: Space Aces
Windows
Space Aces is an indie space shooter that plunges you into an online universe full of action, strategy, and fierce competition. Step into the cockpit and evolve from a rookie pilot into the most feared Ace in the galaxy!
Why similar: Massively Multiplayer 35.4%, Space 33%, Moddable 15.8% ★, PvP 9.5%, Sci-fi 6.2%
- #57 8-Bit Invaders!
67% matchVery Positive83% of 444 reviews2016
Dev: Petroglyph
Windows
Median: 4.1 hrsMean: 6.1 hrs≥1hr: 78%
8-Bit Invaders! is a fast-paced, retro Real-Time Strategy game for the PC. Control the military might of the Galactic Marine Corps or Invade with the devastating power of the Cranioids! Mine, Build, and Fight your way to victory! Conquering the Multiverse was never so easy.
Why similar: Strategy 27.8%, RTS 22.4%, Multiplayer 15.8%, Co-op 11.8%, Indie 7.8%