- #1 Relentless Expanse
97% 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 100%
- #2 Planets Under Attack
96% 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 100%
- #3 Galcon 2: Galactic Conquest
96% matchVery Positive83% of 865 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 100%
- #4 Arena
95% 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 100%
- #5 Deadlock: Planetary Conquest
94% matchMixed52% of 112 reviews2014
Dev: Accolade, Inc.Pub: Atari
Windows
Colonize A Planet. Dominate A World.
Why similar: Strategy 100%
- #6 Dominus Galaxia: KS Edition
94% 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 100%
- #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 100%
- #8 Solaris
91% 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 100%
- #9 Galaxy Admirals
92% 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 100%
- #10 Nova Empire
89% 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 100%
- #11 Galaxy Reavers
91% 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 100%
- #12 War Planet Online: Global Conquest
90% 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 100%
- #13 World Of Conquerors
88% matchMixed61% of 98 reviews2019
Dev: HuntahPub: Darkness Development
Windows
Build your cities, manage resources, train soldiers and fight for supremacy in a vast world with other player controlled empires
Why similar: Strategy 100%
- #14 Beyond the Void
87% 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 100%
- #15 Idle Armada
86% matchVery Positive86% of 63 reviews2020
Dev: Corfe83
Windows · Mac · Linux
Deep idle game with NO ads, NO in-app-purchases. Watch your fleet battle automatically. Collect items and upgrade your buildings and fleet to reach progressively higher levels!
Why similar: Strategy 100%
- #16 Empires:The Rise
86% matchMixed61% of 62 reviews2019
Dev: 阿龟与阿飞Pub: MZ Times
Windows
《Empries:The Rise》 is the a Cross-Platform Real-Time-Strategy (R.T.S.) game. Choose your nation and conquer those, who stand in your way!
Why similar: Strategy 100%
- #17 SYNCH
85% matchVery Positive84% of 57 reviews2017
Dev: Travis ForknerPub: Baylor University Game Studios
Windows
SYNCH is a free, turn-based strategy game. Choose your perfect team of bots to take down the evil boss bot and his floating flunkies!
Why similar: Strategy 100%
- #18 [MARS] Total Warfare
84% 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%
- #19 Star Ruler 2
83% 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 100%
- #20 RISK: Global Domination
78% matchMostly Positive79% of 40,841 reviews2020
Dev: SMG Studio
Windows · Mac
Median: 2.1 hrsMean: 14.6 hrs≥1hr: 72%
Take over the world in RISK: Global Domination, the iconic strategy board game with 100+ original and classic maps and millions of players
Why similar: Strategy 100%
- #21 Ortus Arena, strategy board game online, FOR FREE
82% matchMixed60% of 52 reviews2016
Dev: Firebrush StudiosPub: Plug In Digital
Windows
Median: 1.4 hrsMean: 25.0 hrs≥1hr: 50%
You are a cunning warlord, craving for intensive short mental combats and becoming the best. Enter this online multiplayer strategy board game: a 1vs1 turn based resource game that is easy to understand, but complex to master. NOW FOR FREE!
Why similar: Strategy 100%
- #22 Space Warfare
80% matchMixed58% of 94 reviews2021
Dev: Little Stories
Windows · Mac · Linux
2D casual strategy
Why similar: Strategy 100%
- #23 Lazerbait
81% 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 100%
- #24 Aetherspace
82% 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 100%
- #25 PlanetX
75% 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 100%
- #26 Iron Armada
75% 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 100%
- #27 Starion Tactics
81% matchMixed40% of 177 reviews2014
Dev: Corncrow Games
Windows
Median: 5.5 hrsMean: 6.3 hrs≥1hr: 97%
After assuming command of one of four human or alien factions vying for galactic dominance, immediately define your game’s scope. Play for minutes to hours across tens to hundreds of planets in single-player skirmish or multiplayer modes—it’s entirely up to you.
Why similar: Strategy 100%
- #28 The Conquest of Go
68% matchVery Positive94% of 531 reviews2025
Dev: Wolfey Studios
Windows · Mac
Median: 4.6 hrsMean: 12.8 hrs≥1hr: 84%
Learn and play Go, the classic board game that has been played for thousands of years, and compete in the race to conquer the most land in the in-game world, or compete online against opponents around the real world.
Why similar: Strategy 100%
- #29 Space Wars: Interstellar Empires
79% 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 100%
- #30 Idle Expanse
77% matchMixed55% of 149 reviews2020
Dev: Lyrical Games LLC
Windows
A sci-fi themed incremental game which allows you to expand your capitalistic empire across the galaxy! Hire mercenaries to pillage alien planets for resources, with the singular goal of making as much money as possible as quickly as possible! Totally not a playful commentary on real Terran society.
Why similar: Strategy 100%
- #31 Age of Conquest IV
77% 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 100%
- #32 Sins of a Solar Empire II
69% 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: Strategy 100%
- #33 Primordials: Battle of Gods
76% matchMixed45% of 75 reviews2021
Dev: GLOBAL DODO ENTERTAINMENTPub: WIREGAMES
Windows
Primordials: Battle of Gods is a pure 1vs1 strategy game where players rule kingdoms and build armies to war for ever greater power. One Will Rise, Many Will Fall.
Why similar: Strategy 100%
- #34 Intruder Alert: Ixian Operations
78% matchMixed66% of 71 reviews2016
Dev: Frudelsoft
Windows
Intruder Alert is an science-fiction RTS having 6 totally different factions. It contains a single-player campaign, local LAN multiplayer, simple single player games and special challenges like Tower Defense.
Why similar: Strategy 100%
- #35 Feud
70% matchVery Positive90% of 221 reviews2024
Dev: Bearwaves
Windows · Mac · Linux
Feud is a turn-based strategy game. Swap pieces on a four-by-four grid to isolate your opponent's pieces, or go straight for their King. Hone your skills against three AI characters with distinct play-styles, then challenge your friends online or on the same screen.
Why similar: Strategy 100%
- #36 Galactic Ruler
73% 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: Strategy 100%
- #37 Fragile Allegiance
76% matchVery Positive93% of 123 reviews2015
Dev: Gremlin InteractivePub: Alternative Software Ltd
Windows
Assemble your fleets, fill your silos with nuclear warheads, conduct research, gather resources, and wage war in a vast galaxy in this unique take on 4X Strategy. Appoint Colony Supervisors to manage your colony and deploy Spy Satellites for the ultimate in skulduggery.
Why similar: Strategy 100%
- #38 Dominari Empires
74% 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 100%
- #39 Galaxy Idle Clicker
64% 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!
- #40 Nexus 5X
66% matchVery Positive91% of 917 reviews2024
Dev: Whatboy GamesPub: Paradox Arc
Windows
Median: 2.3 hrsMean: 5.4 hrs≥1hr: 67%
eXplore, eXpand, eXploit, eXterminate, EXPRESS. All of the depth, diplomacy, conflict and conquest of a turn-based 4X epic but played in fast-paced 60-minute competitive sessions. Play Solo or Multiplayer for 2-8 players.
Why similar: Strategy 100%
- #41 World Of Conquerors - Origins
72% matchMixed66% of 91 reviews2020
Dev: HuntahPub: Darkness Development
Windows
Grow your empire and dominate the world in this 100% free game, either through diplomacy or destruction. Forge alliances or go it alone, play as loyal men, elegant elves or brutish orcs.
Why similar: Strategy 100%
- #42 Galactic Lords
73% matchMixed67% of 97 reviews2017
Dev: TheDreikPub: Phoenix Reborn Games
Windows
Median: 6 minMean: 10.1 hrs≥1hr: 38%
Experimental indie strategy game. Lead the group of Galactic Lords through 7 levels to discover the origin of a world-wide menace!
Why similar: Strategy 100%
- #43 American Conquest
74% matchMixed68% of 673 reviews2011
Dev: GSC Game WorldPub: GSC World Publishing
Windows
Median: 30 minMean: 12.0 hrs≥1hr: 39%
In American Conquest, Players set sail from Europe to discover new world and conquer its innumerable riches.
Why similar: Strategy 100%
- #44 Project Entropy
66% matchMixed52% of 220 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 100%
- #45 Iron Marines Invasion
66% matchMixed69% of 350 reviews2023
Dev: Ironhide Game Studio
Windows
Median: 2.1 hrsMean: 5.0 hrs≥1hr: 67%
Prepare to take off, soldier! The galaxy needs your strategy! Prove your RTS expertise, explore an entire galaxy and defend it from a threatening invasion.
Why similar: Strategy 100%
- #46 Star Trek Timelines
71% matchMixed66% of 1,496 reviews2017
Dev: Tilting Point
Windows
Median: 2.1 hrsMean: 199.9 hrs≥1hr: 58%
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: Strategy 100%
- #47 Aeon Command
72% 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 100%
- #48 Planet S
63% 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 100%
- #49 Galactic Inheritors
73% matchMixed44% of 86 reviews2015
Dev: Crispon GamesPub: Plug In Digital
Windows
Median: 3.5 hrsMean: 3.6 hrs≥1hr: 97%
Colonise solar systems and watch them grow. Explore the galaxy to find its strategic choke points. Build up your empire and your fleet and then use the power of the media to prepare your people for the inevitable war. At the same time watch your opponents, keep on an eye on their own media and watch for threats and opportunities.
Why similar: Strategy 100%
- #50 EDYN
64% matchMostly Positive71% of 51 reviews2024
Dev: GALESTORM GAMES
Windows · Mac
Join the battle for EDYN, the ultimate multiplayer strategy game. Build settlements, command armies, and unify the realms in epic PvP warfare to etch your legacy into history. Raid, loot, make alliances, and unite to conquer the planet itself, with no Pay-To-Win mechanics to upset the playing field.
Why similar: Strategy 100%
- #51 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: Strategy 100%
- #52 Star Crusade CCG
70% 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 100%
- #53 War of Dots
57% matchVery Positive82% of 4,056 reviews2026
Dev: TeaAndPython
Windows
Easy to learn, hard to master. A simple & free RTS game.
Why similar: Strategy 100%
- #54 Hades' Star
68% 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: Strategy 100%
- #55 Star Ruler
71% matchVery Positive83% of 340 reviews2010
Dev: Blind Mind Studios
Windows
Median: 30 minMean: 6.2 hrs≥1hr: 41%
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)...
Why similar: Strategy 100%
- #56 Firmament Wars
69% 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 100%