- #1 Nova: Space Armada
97% matchMixed52% of 262 reviews2024
Dev: STONE3 PTE. LTD.
Windows
An exceptional sci-fi strategy game based on space adventure as its core.
Why similar: 4X 19.8% ★, Space Sim 13.9%, Political Sim 12.2% ★, Real Time Tactics 11.3%, Sci-fi 6.2%
- #2 Pixel Starships
96% matchMostly Positive73% of 3,000 reviews2023
Dev: SavySoda
Windows · Mac · Linux
Median: 2.2 hrsMean: 24.3 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 Sim 28.9%, 4X 28.9% ★, Base Building 11.7%, Sci-fi 11.4%, Strategy 7.7%
- #3 Hades' Star
95% matchMostly Positive73% of 2,682 reviews2019
Dev: Parallel Space Inc
Windows · Mac
Median: 1.6 hrsMean: 54.6 hrs≥1hr: 55%
A unique space strategy game where thousands of players participate in one shared galaxy.
Why similar: 4X 22.5% ★, Strategy 16.4%, Space 15.1%, Sci-fi 13.6%, Massively Multiplayer 11.4%
- #4 Star Hunter - Infinite Lagrange
94% matchMixed57% of 1,061 reviews2021
Dev: NetEase Games
Windows
Median: 2.7 hrsMean: 89.9 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: Space Sim 32.9%, Strategy 21.1%, Base Building 16.6%, Massively Multiplayer 13.8%, Space 10.8%
- #5 Star Conflict
94% matchMostly Positive73% of 15,224 reviews2013
Dev: Star Gem Inc.Pub: Gaijin Network Ltd
Windows · Mac · Linux
Median: 2.0 hrsMean: 34.7 hrs≥1hr: 62%
Star Conflict is an action-packed, massively multiplayer space simulation game that puts players in the role of elite pilots engaging in a widespread interplanetary skirmish. The whole world for PVP and PVE!
Why similar: Space Sim 41.6%, PvE 16.7%, Sci-fi 15.3%, Open World 11.4%, Massively Multiplayer 9.1%
- #6 Sins of a Solar Empire II
92% matchVery Positive84% of 8,614 reviews2024
Dev: Ironclad Games CorporationPub: Stardock Entertainment
Windows
Median: 9.5 hrsMean: 32.4 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: 4X 37.4% ★, Strategy 10.7%, Sci-fi 10.6%, PvE 9.1%, PvP 8.7%
- #7 Solaris
93% 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: 4X 40.8% ★, Real Time Tactics 26%, Strategy 15%, Sci-fi 9.7%, PvP 6.5%
- #8 EVE Online
91% matchMostly Positive73% of 39,351 reviews2010
Dev: Fenris Creations
Windows · Mac
Median: 3.0 hrsMean: 138.6 hrs≥1hr: 72%
Over 20 years of legendary space battles! Explore a massive living universe of danger and opportunity in a challenging and highly rewarding space adventure. Fight, trade, build, and connect with a universe driven and shaped directly by players.
Why similar: Space Sim 32.4%, PvP 11%, PvE 10.6%, Sci-fi 9.8%, Open World 8.9%
- #9 Goodgame Empire
90% matchMixed42% of 132 reviews2026
Dev: Goodgame Studios
Windows · Mac
Build your empire, wage wars, forge alliances, and claim glory in a vibrant medieval world. Over 200 million players have already joined the battle for power and influence — are you ready to make history?
Why similar: 4X 29.3% ★, Real Time Tactics 27%, PvP 13.3%, PvE 11.4%, Strategy 10%
- #10 Galaxy Control: 3D Strategy
91% matchMixed59% of 549 reviews2016
Dev: FX Games Media
Windows · Mac
Median: 1.1 hrsMean: 28.7 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 48.3%, Massively Multiplayer 33.4%, Space 18.3%
- #11 War Planet Online: Global Conquest
89% matchMixed63% of 976 reviews2017
Dev: Gameloft
Windows
Median: 1.7 hrsMean: 33.5 hrs≥1hr: 58%
Build your army, dominate your region and lead your alliance to conquer the globe!
Why similar: 4X 28.2% ★, Real Time Tactics 25.1%, PvP 14.3%, PvE 12.3%, Strategy 9.3%
- #12 Second Galaxy
89% matchMixed52% of 1,204 reviews2019
Dev: Zilong Game Limited
Windows
Median: 42 minMean: 9.4 hrs≥1hr: 38%
Second Galaxy is an open world sci-fi game that combines RPG and SLG elements. You can navigate hundreds of different space ships, team up with players to form alliances, and engage in intergalactic battles with other players around the world.
Why similar: Strategy 22.3%, Massively Multiplayer 22%, Sci-fi 20.4%, Open World 17.9%, Space 17.5%
- #13 Space Wars: Interstellar Empires
87% matchMixed65% of 245 reviews2017
Dev: Desert Owl Games LLCPub: ToHeroes Game Studios LLC
Windows · Mac
Median: 1.3 hrsMean: 17.8 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 44.8%, Massively Multiplayer 38.1%, Tactical 17.1%
- #14 Space Commander: War and Trade
86% matchMixed68% of 701 reviews2020
Dev: Home Net Games
Windows · Mac · Linux
Median: 1.2 hrsMean: 9.2 hrs≥1hr: 56%
Fight, explore the stars, trade, and lead your fleet across the galaxySpace Commander: War and Trade is an ultimate single player space-sim featuring spectacular graphics, intuitive combat and deep mechanics.
Why similar: Space Sim 45.1%, Base Building 21.3%, Exploration 11.7%, Sci-fi 8%, Space 5.6%
- #15 Operation: New Earth
86% matchMixed60% of 839 reviews2016
Dev: Hunted Cow Games
Windows · Mac
Median: 2.8 hrsMean: 35.9 hrs≥1hr: 64%
Operation: New Earth is an intense sci-fi multiplayer strategy game in which you must command an advanced military facility to defend Earth from a hostile alien invasion. Create an alliance, gather resources, and unlock advanced technology to level up your stronghold!
Why similar: Strategy 44%, Massively Multiplayer 27.7%, Sci-fi 23.6%, Tactical 4.7%
- #16 Project Entropy
85% matchMixed53% of 258 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: Base Building 23.3%, Sci-fi 22.5%, PvP 19.9%, PvE 17.8%, Strategy 16.5%
- #17 SpaceInvasion
84% matchMixed54% of 52 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: Space Sim 34.3%, Real Time Tactics 25.3%, Sci-fi 14.3%, PvP 10.7%, Strategy 10.5%
- #18 Supremacy: Call of War 1942
84% matchMostly Positive71% of 6,369 reviews2017
Dev: Bytro Labs GmbH
Windows · Mac
Median: 1.5 hrsMean: 36.6 hrs≥1hr: 55%
Take over the control of one of the mighty nations during the times of World War 2 in this persisting long-term strategy game. Conquer provinces, forge alliances and build up your economy in real-time. Research top secret weapons of World War 2 and become the one true superpower!
Why similar: Strategy 26.1%, Military 24.1%, Alternate History 20.3%, PvP 14.5%, Massively Multiplayer 10.2%
- #19 PlanetX
82% matchMixed67% of 54 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 24.4%, Sci-fi 19.9%, PvP 17.3%, Base Building 14.7%, 3D 9.6%
- #20 Viking Rise
81% matchMixed70% of 974 reviews2024
Dev: IGG SINGAPORE PTE. LTD.
Windows
Median: 3.9 hrsMean: 90.7 hrs≥1hr: 72%
Race against other players to explore Valhalla and conquer Midgard!
Why similar: 4X 35.2% ★, Real Time Tactics 23.7%, Military 10.2%, Strategy 9.1%, PvP 8.6%
- #21 March of Empires
83% matchMixed62% of 1,854 reviews2017
Dev: Gameloft
Windows
Median: 1.6 hrsMean: 76.0 hrs≥1hr: 57%
Claim your title as Shogun, Highland King, Northern Tsar or Desert Sultan and join this genre-redefining strategy game where you will wage constant war for real territorial conquest! Fortify your castle, fuel a massive army, and enter the ultimate fight for realm domination!
Why similar: 4X 32.2% ★, Real Time Tactics 20.9%, Base Building 12.5%, PvP 12.4%, Strategy 8.7%
- #22 Relentless Expanse
81% matchVery Positive90% of 110 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: Real Time Tactics 30.4%, Sci-fi 16.5%, PvP 15.5%, Strategy 13.9%, Top-Down 8.9%
- #23 Sins of a Solar Empire: Trinity®
82% matchMostly Positive77% of 816 reviews2011
Dev: Ironclad Games CorporationPub: Stardock Entertainment
Windows
Median: 2.0 hrsMean: 30.8 hrs≥1hr: 59%
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.
Why similar: 4X 25.3% ★, Space Sim 19.5%, PvP 9.1%, Base Building 8.5%, PvE 8.4%
- #24 Supremacy: 1914
79% matchMostly Positive74% of 4,332 reviews2019
Dev: Bytro Labs GmbH
Windows · Mac
Median: 2.6 hrsMean: 40.2 hrs≥1hr: 60%
Take over the control of one of the mighty nations during the times of World War 1 in the biggest WW1 strategy game of all time. Conquer provinces, forge alliances and build up your economy in real-time on persistent maps. Build experimental weapons of World War 1 and become the one true superpower!
Why similar: Strategy 27.8%, Military 23.7%, Alternate History 17.5%, 4X 17.2% ★, Massively Multiplayer 10.1%
- #25 Star Sonata 2
80% matchMixed67% of 293 reviews2020
Dev: Landauer Games
Windows
Median: 2.1 hrsMean: 60.0 hrs≥1hr: 60%
Star Sonata 2 is a space sandbox MMO that combines elements of action, RPG, and empire creation into a truly unique MMO. Explore the sandbox style universe, build persistent bases, construct trade ships, and even fight your way to the top and claim the Emperor’s Throne!
Why similar: Space Sim 31.9%, Base Building 17%, PvP 13.1%, PvE 12.4%, Top-Down 10.5%
- #26 SUPREMACY: WORLD WAR 3
79% matchMostly Positive75% of 5,983 reviews2018
Dev: Dorado Games
Windows · Mac
Median: 2.1 hrsMean: 35.6 hrs≥1hr: 60%
This Long Term Strategy Game lets you take control of the armed forces of your nation. Become responsible for its military expansion, technological research and economic development. Form alliances and wage total war for global dominance on the battlefields of World War 3.
Why similar: Strategy 32.3%, Alternate History 27.8%, Base Building 23.2%, Massively Multiplayer 16.8%
- #27 Sins of a Solar Empire®: Rebellion
78% matchVery Positive93% of 16,336 reviews2012
Dev: Ironclad Games CorporationPub: Stardock Entertainment
Windows
Median: 4.9 hrsMean: 16.6 hrs≥1hr: 86%
Command a space-faring empire in Sins of a Solar Empire: Rebellion, the new stand-alone expansion that combines 4X depth with real-time strategy gameplay.
Why similar: 4X 28% ★, Space Sim 23%, Base Building 10.1%, Military 9.7%, Sci-fi 9%
- #28 Solar Nations 2
75% matchVery Positive85% of 595 reviews2025
Dev: Flomgus Games
Windows
In this Grand Strategy game, you take control of the Solar System's Great Powers in 2092 and weather the storm of change as you navigate the uncertain waters of the future. Control the greatest military forces in the world and wage wars on an epic scale: outer space is yours to conquer!
Why similar: 4X 26.9% ★, Political Sim 23.2% ★, Alternate History 11.3%, Sci-fi 9.5%, Military 9.2%
- #29 Andromeda: Rebirth of Humanity
78% matchMixed65% of 117 reviews2021
Dev: Null Reference Games
Windows · Linux
Andromeda is a hybrid between a Space 4X and an MMO. An online universe sandbox with 2 galaxies full of planets to colonize. Build structures like Mines to generate resources to build ships and engage in fleet battles with NPCs and other players, or just sit and chat with the friendly community.
Why similar: Space Sim 40.7%, Strategy 16%, Sci-fi 9.4%, PvE 6.6%, PvP 6.3%
- #30 Instant War
76% matchMixed67% of 89 reviews2022
Dev: Playwing LTD
Windows
Embark on a military strategy 4X RTS game, in a world where your battle tactics and your massive army are the keys to victory. Instant War delivers an amazing battlefield experience in a realistic military game. As a commander, you develop your military base and lead your army to victory!
Why similar: 4X 47.9% ★, Strategy 12.3%, Military 12.1%, PvP 9.7%, Top-Down 9.2%
- #31 Interstellar Space: Genesis
76% matchVery Positive84% of 846 reviews2019
Dev: Praxis Games
Windows
Median: 1.7 hrsMean: 11.1 hrs≥1hr: 57%
Interstellar Space: Genesis is a turn-based space 4X strategy game in which you attempt to build a thriving galactic empire. Discover mysteries among the stars, colonize worlds, and engage enemies in tactical turn-based combat on your journey to becoming the ruler of the galaxy!
Why similar: 4X 47% ★, Sci-fi 14.4%, Strategy 11.2%, Exploration 8.4%, Military 7.4%
- #32 Riftborne
72% matchVery Positive90% of 101 reviews2026
Dev: Pitio Productions
Windows · Linux
Riftborne is a classic terminal based, real time, grand strategy game. Construct space ships. Take part in factional warfare. Hire galactic hit-men on your rivals. Raid neighbors for rare resources. Train spies to infiltrate enemy bases for key intel. Grow your empire to dominate the galaxy.
Why similar: 4X 30.3% ★, Space Sim 22.1%, Real Time Tactics 19.9%, Base Building 8.7%, Military 8%
- #33 StarDrive
77% matchMixed45% of 1,489 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: 4X 61.1% ★, Strategy 17.6%, Sci-fi 12.3%, Space 9.1%
- #34 Subspace Discovery
73% matchMostly Positive75% of 143 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: PvE 19.1%, Sci-fi 16%, Base Building 12.3%, Exploration 11.5%, Massively Multiplayer 10.5%
- #35 Galaxy Reavers
75% matchMixed69% of 205 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 45.7%, Sci-fi 30.2%, Space 24.1%
- #36 Star Ruler 2
74% matchVery Positive82% of 721 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: 4X 56.2% ★, Strategy 17%, Sci-fi 16.8%, Space 10%
- #37 Periphery Online
70% matchMixed72% of 54 reviews2026
Dev: Aleksandr Nagaev
Windows
A refugee capsule lands on an uninhabited planet. You have to survive, rebuild civilization and, if possible, regain control over the Earth. One big universe, one endless pvp session for all players.
Why similar: 4X 30.4% ★, Sci-fi 15%, Strategy 9.9%, Open World 9.6%, Massively Multiplayer 8.6%
- #38 Galactic Ruler
73% matchMixed49% of 121 reviews2022
Dev: BattleGoat Studios
Windows
Median: 3.5 hrsMean: 7.0 hrs≥1hr: 97%
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: 4X 28.6% ★, Real Time Tactics 26.5%, Space Sim 23%, Sci-fi 8.4%, Space 5%
- #39 Nexus Legacy
69% matchMixed68% of 326 reviews2026
Dev: Nexus Legacy Team
Windows
Rebuild civilization from a single planet in Nexus Legacy, a persistent sci-fi 4X MMO. Colonize worlds, manage resources, research technologies, command fleets, forge alliances, and fight for control of a living galaxy.
Why similar: 4X 45.3% ★, Military 14.4%, Sci-fi 12.8%, Strategy 10.9%, Exploration 9.2%
- #40 Galaxy Life
69% matchVery Positive92% of 8,574 reviews2022
Dev: Phoenix Network
Windows · Linux
Median: 2.8 hrsMean: 35.5 hrs≥1hr: 65%
The universe is full of Starlings, tiny orange aliens that want to take over the galaxy. Create your own space colony, fight epic battles and discover new planets. Train your soldiers, develop your technology and create unimaginable gadgets. Enjoy this huge social game with friends!
Why similar: Military 19.2%, Strategy 17.8%, Base Building 17.8%, Sci-fi 16.1%, PvP 15.8%
- #41 Galactic Inheritors
74% matchMixed43% of 88 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: 4X 57.8% ★, Strategy 16.6%, Sci-fi 13.5%, Space 12.1%
- #42 Castle Empire
71% matchMixed51% of 75 reviews2023
Dev: HaoPlay Limited
Windows
Empire falls eventually. Build your own empire and conquer the world.
Why similar: 4X 50.1% ★, Strategy 12.9%, Military 11.5%, Top-Down 9.1%, PvE 6.4%
- #43 Dawn of Andromeda
73% matchMixed43% of 244 reviews2017
Dev: Grey Wolf EntertainmentPub: Iceberg Interactive
Windows
Median: 4.1 hrsMean: 11.7 hrs≥1hr: 86%
Dawn of Andromeda is a pausable, real-time 4X space strategy game providing an accessible, fun and immersive experience, introducing fresh ideas to the genre. Build your empire, colonize new planets, interact with other factions and characters, research technologies and build great fleets.
Why similar: 4X 57.7% ★, Strategy 21.2%, Sci-fi 12.8%, Space 8.3%
- #44 StarMade
71% matchMixed68% of 2,991 reviews2014
Dev: Schine GmbH
Windows · Mac · Linux
Median: 1.3 hrsMean: 18.8 hrs≥1hr: 54%
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!
Why similar: Space Sim 24.6%, Sci-fi 18.8%, Space 18.3%, Open World 17.9%, Strategy 8.3%
- #45 Galcon 2: Galactic Conquest
71% matchVery Positive83% of 868 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 34.6%, 4X 27.4% ★, PvP 12%, Space 10.9%, Sci-fi 9.7%
- #46 Space Empires V
72% matchMostly Positive73% of 477 reviews2006
Dev: Malfador MachinationsPub: Strategy First
Windows
Median: 36 minMean: 14.9 hrs≥1hr: 45%
Space Empires V is the latest edition in the Space Empires series. This new chapter completely updates the UI and takes the player into a real-time rendered 3D universe. Watch space battles played out in glorious detail and realistic effects. Expand, Explore, Exploit, and Exterminate in a huge living breathing galaxy.
Why similar: 4X 59.7% ★, Strategy 20.9%, Sci-fi 12.2%, Space 7.2%
- #47 SpaceCraft
66% matchMixed65% of 2,687 reviews2026
Dev: Shiro Games
Windows
Median: 13.4 hrsMean: 47.3 hrs≥1hr: 91%
The Universe is yours. SpaceCraft is an online space exploration and building game. Explore a vast galaxy of solar systems and planets, mine and craft resources, design and build ships, automate planetary bases and interplanetary logistics, trade and cooperate.
Why similar: Space Sim 27.1%, Sci-fi 12%, Base Building 11.8%, PvP 10.5%, PvE 9.7%
- #48 Starpoint Gemini Warlords
70% matchMostly Positive73% of 3,595 reviews2017
Dev: Little Green Men Games
Windows
Median: 4.1 hrsMean: 10.8 hrs≥1hr: 87%
Strategy from the front lines! Starpoint Gemini Warlords combines 3rd person capital spaceship combat with 4X strategy and RPG gameplay elements. Build mighty war fleets and send them into battle or lead them into combat yourself. Become the Warlord and conquer the Gemini system!
Why similar: 4X 29.7% ★, Space Sim 26.7%, Sci-fi 10.6%, Base Building 10.1%, Open World 8.2%
- #49 Emperor of the Fading Suns Enhanced
65% matchVery Positive95% of 190 reviews2025
Dev: Holistic Design, Inc.
Windows · Linux
Command interstellar forces in this epic return of the 4X strategy classic. From planetary politics to galactic warfare, the stakes couldn’t be higher as you lead your Royal House through battles on land, sea, air, and the vast reaches of space.
Why similar: 4X 37.9% ★, Political Sim 33.3% ★, Sci-fi 11.6%, Strategy 8.9%, PvP 5%
- #50 Galactic Civilizations III
68% matchMostly Positive77% of 10,389 reviews2015
Dev: Stardock Entertainment
Windows
Median: 4.6 hrsMean: 17.6 hrs≥1hr: 88%
Build a civilization that will stand the test of time in the largest space-based strategy game ever! Choose from dozens of unique races and make a name for yourself across the galaxy through diplomacy, espionage, technological advances, and more.
Why similar: 4X 40.9% ★, PvP 13.6%, Sci-fi 13.3%, PvE 13.1%, Strategy 8.6%
- #51 Empyrion - Galactic Survival
66% matchMostly Positive78% of 34,392 reviews2020
Dev: Eleon Game Studios
Windows
Median: 6.2 hrsMean: 77.1 hrs≥1hr: 77%
Build and explore in a true space sandbox survival adventure. Construct mighty capital vessels, sprawling planetary settlements, and vast space stations in your galactic journey to discover the mysteries of Empyrion!
Why similar: Space Sim 31.1%, PvP 12.6%, PvE 11.9%, Sci-fi 11.3%, Open World 9.5%
- #52 Battle Dawn 2: Terra Reborn
68% matchMixed47% of 51 reviews2022
Dev: Zero Games StudiosPub: Gato Games
Windows
Place your colony, find an alliance of like-minded players and triumph over thousands of other players to conquer the world through strategy, tactics, diplomacy and skill in the biggest social-interaction based MMO of all time. Upgrade your colony, collect items for your Avatar and become a legend!
Why similar: Real Time Tactics 18%, PvP 13.5%, Base Building 13.3%, Military 11.5%, Strategy 10.9%
- #53 3 Days War
65% matchVery Positive84% of 721 reviews2023
Dev: 荆棘鸟工作室
Windows
3 Days War is a unique multiplayer strategy war game. Integrating the mechanics of RTS+4X, it allows dozens of players to engage in a three-day real-time strategy competitionon. Commanders, use your skills, strategies, games and even deception to become the ultimate winner!
Why similar: 4X 23.6% ★, Political Sim 23.2% ★, Real Time Tactics 16.6%, PvP 9.3%, Base Building 7.5%
- #54 Beyond the Void
69% matchMixed57% of 136 reviews2018
Dev: B2Expand
Windows · Mac
Median: 1.9 hrsMean: 10.7 hrs≥1hr: 57%
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 49.4%, PvP 33.1%, Space 17.5%
- #55 Galaxy Idle Clicker
64% matchMostly Positive74% of 1,201 reviews2025
Dev: SoehnlePub: TimeLost Gaming
Windows
Median: 10.1 hrsMean: 391.5 hrs≥1hr: 69%
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 Sim 52.2%, Sci-fi 17.3%, Space 15.8%, Choices Matter 14.7%
- #56 Elite Dangerous
66% matchMostly Positive77% of 107,282 reviews2015
Dev: Frontier Developments
Windows
Median: 18.2 hrsMean: 148.6 hrs≥1hr: 89%
Take control of your own starship and blaze your trail in an ever-changing galaxy. Master the arts of combat, mining and trade or venture out into the unknown across a 1:1 scale universe.
Why similar: Space Sim 48.5%, Sci-fi 12.9%, Open World 11.3%, Space 9.3%, Exploration 8.9%
- #57 NEBULOUS: Fleet Command
65% matchVery Positive81% of 4,412 reviews2022
Dev: Eridanus IndustriesPub: Hooded Horse
Windows
Median: 5.0 hrsMean: 31.8 hrs≥1hr: 77%
Take command of your hand-tailored fleet of space warships and use realistic radar, electronic warfare, advanced movement controls in 3D space, and precision targeting to outmaneuver and outwit your opponents in a simulation-heavy tactical space game like no other.
Why similar: Alternate History 34.5%, Military 22.9%, Strategy 15.1%, Open World 12.8%, Space 9.3%