- #1 Galcon 2: Galactic Conquest
97% matchVery Positive83% of 869 reviews2014
Dev: Hassey Enterprises, Inc.
Windows · Mac · Linux
Median: 42 minMean: 6.2 hrs≥1hr: 41%
Galcon 2 is a demolition derby in space! Send swarms of ships from planet to planet to conquer the galaxy in this fast paced multiplayer strategy game!
Why similar: Strategy 41.6%, Space 21.6%, Multiplayer 18.3%, Indie 11.1%, PvP 7.4%
- #2 Space Wars: Interstellar Empires
96% matchMixed65% of 248 reviews2017
Dev: Desert Owl Games LLCPub: ToHeroes Game Studios LLC
Windows · Mac
Median: 1.3 hrsMean: 17.9 hrs≥1hr: 55%
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 87.6%, Indie 12.4%
- #3 Galaxy Control: 3D Strategy
96% matchMixed59% of 549 reviews2016
Dev: FX Games Media
Windows · Mac
Median: 1.1 hrsMean: 32.6 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 61.4%, Space 38.6%
- #4 The Infinite Black
95% matchMixed67% of 215 reviews2016
Dev: SpellbookPub: www.Spellbook.com
Windows · Mac · Linux
Median: 5.8 hrsMean: 83.8 hrs≥1hr: 74%
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 48.5%, Space 37.8%, Indie 13.7%
- #5 Hades' Star
94% matchMostly Positive73% of 2,686 reviews2019
Dev: Parallel Space Inc
Windows · Mac
Median: 1.6 hrsMean: 54.9 hrs≥1hr: 56%
A unique space strategy game where thousands of players participate in one shared galaxy.
Why similar: Space 47.9%, Strategy 31.3%, PvP 9.3%, Multiplayer 8.7%, Indie 2.8%
- #6 Space Warfare
94% matchMixed59% of 97 reviews2021
Dev: Little Stories
Windows · Mac · Linux
2D casual strategy
Why similar: Strategy 54.6%, Space 29%, Indie 16.5%
- #7 Aetherspace
92% 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 76.3%, Indie 23.7%
- #8 Istrolid
91% matchVery Positive87% of 2,696 reviews2016
Dev: treeform
Windows · Mac · Linux
Median: 1.0 hrsMean: 10.9 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 37.5%, Space 37.5%, Multiplayer 17.6%, Indie 7.4%
- #9 Arena
89% matchMixed70% of 56 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 77.9%, Indie 22.1%
- #10 Astro Lords: Oort Cloud
90% matchMixed54% of 69 reviews2016
Dev: Aratog LLCPub: BISBOG SA
Windows
Astro Lords: Oort Cloud is a free-to-play, science-fiction MMORTS combining construction management with click-and-drag Artillery style combat and strategy elements such as exploration, raiding and espionage.
- #11 Dominus Galaxia: KS Edition
89% matchVery Positive83% of 250 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 77.8%, Indie 22.2%
- #12 Solaris
86% matchVery Positive80% of 90 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 72.8%, PvP 16.2%, Multiplayer 11%
- #13 Into the Void
87% matchMixed63% of 136 reviews2015
Dev: Mozg Labs
Windows · Mac · Linux
Median: 5.5 hrsMean: 13.8 hrs≥1hr: 98%
Into the Void is a strategy RPG and exploration sci-fi game with an epic story and intense battles. Travel through space and discover the origin of a cosmic threat which destroyed Earth centuries ago. Fight or cooperate with the different factions; be a leader !
Why similar: Space 46.6%, Strategy 45.4%, Indie 8%
- #14 Pixel Starships
81% matchMostly Positive73% of 3,020 reviews2023
Dev: SavySoda
Windows · Mac · Linux
Median: 2.2 hrsMean: 24.2 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 45.2%, Strategy 36.8%, Multiplayer 18%
- #15 Galaxy Reavers
84% matchMixed69% of 206 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 49%, Space 42.8%, Indie 8.2%
- #16 Codename: Rogue Fleet
84% matchMixed59% of 318 reviews2016
Dev: SionoiS
Windows
Median: 36 minMean: 8.9 hrs≥1hr: 38%
Codename: Rogue Fleet is a multiplayer team-based game about spaceships combat.
Why similar: Space 56.2%, Multiplayer 28.8%, Indie 14.9%
- #17 Void Destroyer
83% matchMixed59% of 352 reviews2015
Dev: Iteration 11
Windows
Median: 18 minMean: 3.6 hrs≥1hr: 30%
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.
Why similar: Strategy 46.8%, Space 44.6%, Indie 8.6%
- #18 Planets Under Attack
82% matchMostly Positive73% of 1,250 reviews2012
Dev: Targem GamesPub: Topware Interactive
Windows · Mac
Median: 3.3 hrsMean: 9.9 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 91.2%, Space 4%, Indie 3.1%, Multiplayer 1.8%
- #19 Star Trek Timelines
82% matchMixed66% of 1,533 reviews2017
Dev: Tilting Point
Windows
Median: 2.1 hrsMean: 196.6 hrs≥1hr: 59%
Explore the Final Frontier in the ultimate sci-fi strategy RPG, Star Trek Timelines! Join Starfleet and overcome challenges as you boldly go where no game has gone before – across the entire history of Star Trek.
Why similar: Space 42.4%, Strategy 39.9%, Multiplayer 17.7%
- #20 Relentless Expanse
77% matchVery Positive90% of 114 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 32%, Space 31.4%, PvP 18.4%, Multiplayer 18.2%
- #21 Gods and Idols
81% matchMixed69% of 758 reviews2016
Dev: JatteGames
Windows
Median: 1.0 hrsMean: 14.5 hrs≥1hr: 48%
Take the role of a newly ascended deity in Gods and Idols. Carve your place among the stars in an open, dynamic, and massive MMORTS universe. Command the powers of the cosmos, form alliances, and use your worshipers as instruments to further your goals.
Why similar: Space 38%, Strategy 32.1%, Multiplayer 20.1%, Indie 9.8%
- #22 Nova Empire
79% matchMixed53% of 302 reviews2022
Dev: Gamebear Tech
Windows
Median: 1.6 hrsMean: 11.6 hrs≥1hr: 56%
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 49.3%, PvP 33.1%, Space 17.6%
- #23 Nova: Space Armada
74% matchMixed52% of 273 reviews2024
Dev: STONE3 PTE. LTD.
Windows
An exceptional sci-fi strategy game based on space adventure as its core.
Why similar: Strategy 40.6%, Space 29.1%, PvP 23.8%, Multiplayer 6.6%
- #24 One Tower
79% matchMixed48% of 100 reviews2016
Dev: SkyReacher Entertainment
Windows
Median: 18 minMean: 10.2 hrs≥1hr: 40%
One Tower is a fast-paced head-to-head MOBA pitting two players against each other in epic duels of strategy and skill. Players unleash customized minion waves, command powerful Heroes, and cast potent spells to defend their stronghold against enemy marauders or invade new lands to take down their opponent's tower.
Why similar: MOBA 46.9% ★, Strategy 26%, PvP 14.7%, Multiplayer 7.1%, Indie 5.2%
- #25 Aeon Command
78% matchMostly Positive79% of 418 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 61.7%, Space 24.3%, Indie 14%
- #26 Ways of History
78% matchMixed53% of 257 reviews2017
Dev: Glyph Worlds
Windows
Median: 1.4 hrsMean: 14.5 hrs≥1hr: 56%
Hardcore real-time strategy with a long-term round. Development of your civilization from caves to space. Huge world. Thousands of players. 240+ sciences and technologies. About 100 troops. 4 races. 50+ resource deposits. War, trade, science, construction...
Why similar: Strategy 74.6%, Indie 14.2%, Multiplayer 11.2%
- #27 Battlevoid: Sector Siege
77% matchMixed59% of 200 reviews2017
Dev: Bugbyte Ltd.
Windows · Mac · Linux
Battlevoid: Sector Siege is an epic straight into action real-time space strategy game, in which the world has been built to deliver a lively battle field; and the action is never more than just seconds away at the start of every game.
Why similar: Strategy 45.5%, Space 40.7%, Indie 13.8%
- #28 Abys Orbit
69% matchMixed66% of 85 reviews2026
Dev: EMG Tech
Windows
AbysOrbit a FREE, real-time space MMO played directly in your browser! Choose one of three factions, upgrade your ship, build your clan, and enter massive PvP battles for control of the galaxy. Auctions, Galaxy Gate, missions, and much more await youClaim your place before the universe is conquered
Why similar: Strategy 100%
- #29 SpaceInvasion
74% matchMixed55% of 53 reviews2023
Dev: BITMEUP
Windows · Mac
As a commander of an imperial space force you will conquer unexplored planets, create colonies and equip your fleet for attack or defense. Strategic warfare is the focus of Spaceinvasion!
Why similar: Strategy 43.4%, Space 33.7%, PvP 22.9%
- #30 Shattered Void
71% matchMostly Positive72% of 95 reviews2024
Dev: yyy1505yyy
Windows · Linux
Space MMORPG where players can fly on different ships, collecting devices, subsystems and navigations or finding new weapons that will serve in battles. Take part in battles, explore the world, mine ore, trade, fight and build your own clan with a station.
Why similar: Space 51.4%, PvP 34.5%, Indie 14%
- #31 Star Crusade CCG
75% matchMostly Positive80% of 1,881 reviews2016
Dev: ZiMAD, Inc.
Windows
Median: 1.3 hrsMean: 24.8 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 74.6%, Space 25.4%
- #32 Astro Lords
76% matchMixed65% of 231 reviews2015
Dev: Aratog LLCPub: Conglomerate 5
Windows · Mac · Linux
Median: 48 minMean: 6.2 hrs≥1hr: 44%
Player bases are located on asteroids, which travel within the Oort Cloud. Once they’ve acquired the appropriate skills, players can control their asteroid’s movements. Mass-combat enthusiasts will love the Arena: here, players can battle it out against alien races or other Astro Lord players.
Why similar: Space 37.1%, Strategy 26.4%, PvP 20.1%, Multiplayer 16.5%
- #33 Star Hunter - Infinite Lagrange
73% matchMixed57% of 1,075 reviews2021
Dev: NetEase Games
Windows
Median: 2.7 hrsMean: 90.0 hrs≥1hr: 61%
In a remote corner of the Milky Way, you, a star hunter, will control a fleet, take on a wide variety of bounty contracts and missions, and venture into the vastness of space. You will hunt for mysterious items for your employers and explore specific targets in uncharted territory.
Why similar: Strategy 38.2%, Space 32.6%, MOBA 19.2% ★, Multiplayer 10%
- #34 Heroes of SoulCraft
76% matchMixed42% of 489 reviews2015
Dev: Ironwilled Studio
Windows
Median: 36 minMean: 14.4 hrs≥1hr: 38%
An upcoming free-to-play MOBA that combines traditional lane-based gameplay and intense team battles with innovative mechanics, maintaining the classic feel of the genre while introducing new elements that add depth, strategy, and excitement to every match. Easy to learn, difficult to master.
Why similar: MOBA 54.6% ★, Strategy 17.9%, PvP 11.5%, Multiplayer 11.5%, Indie 4.5%
- #35 Galaxy Admirals
72% 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 75.2%, Space 17.3%, Multiplayer 7.5%
- #36 Astroflux
73% matchMostly Positive72% of 348 reviews2016
Dev: Fula Fisken
Windows · Mac
Median: 3.5 hrsMean: 19.6 hrs≥1hr: 69%
Play Astroflux - a retro styled, action packed MMO space shooter.
Why similar: Space 100%
- #37 Iron Armada
68% matchMostly Positive77% of 177 reviews2024
Dev: Bluedrake42Pub: Drakeling Labs
Windows
Median: 1.4 hrsMean: 849.8 hrs≥1hr: 53%
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 75.4%, Space 15.8%, Multiplayer 5.4%, Indie 3.4%
- #38 Dropzone
73% matchMixed70% of 873 reviews2017
Dev: Sparkypants Studios LLC
Windows
Median: 54 minMean: 7.1 hrs≥1hr: 45%
Dropzone is a game of action, strategy and skill. Win 15 minute battles by scoring points. Unlock gear, customize your squad of up to 3 Units and compete in Team 3v3, 2v2 or 1v1 matches. Lay claim to the riches of Europa!
Why similar: MOBA 57% ★, Strategy 24.9%, PvP 15%, Indie 3.1%
- #39 [MARS] Total Warfare
72% matchMostly Positive71% of 117 reviews2018
Dev: TCR
Windows
[MARS] Total Warfare uses authentic Martian landscapes to create an intense RTS experience best described as a hybrid between team multiplayer and massively multiplayer online. Fight over natural resources vs human or AI opponents and conquer a crater ridden world, with pink sky and blue seas!
Why similar: Strategy 100%
- #40 Art of War: Red Tides
70% matchMostly Positive79% of 6,960 reviews2016
Dev: Game Science
Windows
Median: 1.2 hrsMean: 10.6 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: MOBA 37.4% ★, Strategy 35%, Multiplayer 19.8%, PvP 4.2%, Indie 3.6%
- #41 Space Reign
63% matchMostly Positive74% of 462 reviews2026
Dev: Propulsive Games
Windows
An indie space-sim and strategy game featuring ship and fleet combat mixed with RTS elements. Complete contracts and Claim sectors for your faction in the near-future, where resource exploiting corporations are in a state of constant conflict over territory control.
Why similar: Space 52.3%, Strategy 35.1%, Indie 12.6%
- #42 Stellar Commanders
70% 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: Space 29.6%, Strategy 23.5%, PvP 19.7%, Multiplayer 16.4%, Indie 10.9%
- #43 AirMech
67% matchVery Positive84% of 10,875 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: MOBA 46.1% ★, Strategy 26.2%, Multiplayer 16.4%, PvP 7.9%, Indie 3.5%
- #44 Project Entropy
66% matchMixed52% of 266 reviews2024
Dev: FunPlus International AG
Windows
Welcome, commander, to Project Entropy- an ultimate Sci-Fi and role-playing game with battles in space. In this immersive MMO experience, you will command alien civilizations, conquer uncharted planets, and build Hero fleets.
Why similar: Strategy 53.2%, PvP 33.1%, Multiplayer 13.8%
- #45 Subspace Continuum
69% matchVery Positive88% of 637 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 39.8%, Strategy 29.7%, Multiplayer 21%, Indie 9.4%
- #46 Down with the Ship
58% matchVery Positive93% of 856 reviews2026
Dev: Iron Anchor GamesPub: Proxy Studios
Windows · Mac
Strategic auto battler where you design a heavily-armed spaceship. Draft 200+ items, outfit your hull, and unleash it in async PvP. Blend captains and factions for absurd combos and galactic domination. Roll, buy, place, pray.
Why similar: Space 33%, Strategy 25.8%, PvP 23.5%, Multiplayer 17.7%
- #47 Sins of a Solar Empire II
60% matchVery Positive84% of 8,792 reviews2024
Dev: Ironclad Games CorporationPub: Stardock Entertainment
Windows
Median: 9.5 hrsMean: 32.8 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 41.5%, Strategy 31.6%, Multiplayer 13.6%, PvP 13.2%
- #48 Dominari Empires
67% matchVery Positive98% of 63 reviews2018
Dev: Tiny RTS
Windows
Got 5-10 minutes? Annihilate your enemy in a lightning fast micro 4X/RTS game set in deep space. Gameplay relies heavily on strategy, forward-thinking, and twitch-like reflexes.
Why similar: Strategy 77%, Indie 23%
- #49 Subspace Discovery
64% matchMostly Positive74% of 145 reviews2023
Dev: FLICK Comp GmbH
Windows
Fly through Subspace, build your own ship, and engage in epic battles. Mine asteroids and research new technologies. Uncover the origins of the alien homeworld by solving weekly events in this Co-op PvE MMO.
Why similar: Space 64.6%, Strategy 35.4%
- #50 Outlive 25
57% matchVery Positive94% of 290 reviews2026
Dev: Continuum EntertainmentPub: CriticalLeap
Windows
Build your base, prepare your troops, and face your most epic battle yet in this old-school real-time strategy game. Choose between two factions, test your skills in three epic campaigns and engage in online battles with up to 16 players simultaneously.
Why similar: Strategy 29.5%, PvP 25.9%, Space 23.1%, Multiplayer 21.4%