
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.
60+ similar titles based on shared tags and player behavior. Themes include Strategy, Space, 4X, Sci-fi.

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.

Galactic Civilizations IV
Take command of a civilization that has just achieved faster-than-light travel in Galactic Civilizations IV, the newest entry in the award-winning space 4X strategy game series. Explore the galaxy, colonize worlds, shape cultures, make alliances, fight wars and pioneer new technologies.

Star Traders: 4X Empires
Take command of humanity’s last survivors and rebuild an empire in the stars. In this immersive turn-based strategy game, you will have to fight to protect your people, control rival factions, and unlock lost technology.
Take command of a civilization that has just achieved faster-than-light travel in Galactic Civilizations IV, the newest entry in the award-winning space 4X strategy game series. Explore the galaxy, colonize worlds, shape cultures, make alliances, fight wars and pioneer new technologies.
Why similar: 4X 22.5% ★, Grand Strategy 18.8% ★, Diplomacy 18.4% ★, Space 9.5%, Management 6.3%
Take command of humanity’s last survivors and rebuild an empire in the stars. In this immersive turn-based strategy game, you will have to fight to protect your people, control rival factions, and unlock lost technology.
Why similar: 4X 25.4% ★, Diplomacy 22.4% ★, Grand Strategy 16.8% ★, Military 8.3%, Space 7.7%
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 28% ★, Grand Strategy 16.1% ★, Diplomacy 11.2% ★, Space 10.3%, War 7.1%
A sci-fi turn-based 4X strategy game where you lead the fate of one of several factions divided between three races. Explore new worlds and new star systems filled with exciting secrets as well as dangers. Build cities, expand your influence and fight great battles on land and in space.
Why similar: 4X 25.5% ★, Grand Strategy 18.5% ★, Diplomacy 16.8% ★, Military 10.1%, Space 8.7%
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 20.1% ★, Grand Strategy 19% ★, Wargame 11.1%, Military 10.1%, Space 8.9%
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 42.4% ★, Space 21.3%, Grand Strategy 19.9% ★, Strategy 9.3%, Sci-fi 7.1%
Lord of Rigel is a turn-based 4X space strategy game inspired by the classics. In a galaxy divided by two elder races, will you unite with other species or forge your own path? Navigate galactic politics and defeat threats using espionage, research, and military force. How will you shape the galaxy?
Why similar: 4X 19.1% ★, Diplomacy 15.8% ★, Grand Strategy 15.4% ★, Military 10.3%, Space 7.8%
Horizon is a turn-based space strategy game of galactic exploration and conquest in which you are in control of humanity’s destiny. You will explore deep space, find new frontiers and discover alien artifacts hidden on long-abandoned planets.
Why similar: 4X 27.9% ★, Grand Strategy 23.7% ★, Space 11.4%, Wargame 10.2%, Futuristic 6.8%
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 20.4% ★, Diplomacy 16% ★, Grand Strategy 15.1% ★, Wargame 12.3%, Military 9%
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 53.5% ★, Space 22.7%, Strategy 12.3%, Sci-fi 11.4%
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: Grand Strategy 26.5% ★, Diplomacy 23.8% ★, Space 14.1%, Sci-fi 8.5%, Futuristic 7.8%
ENDLESS Space™ is a turn-based 4X strategy game, covering the space colonization age in the ENDLESS Universe™, where you can control every aspect of your civilization as you strive for galactic domination.
Why similar: 4X 42.6% ★, Space 16.7%, Strategy 13.3%, Diplomacy 7.4% ★, Sci-fi 7.3%
Set in a post-apoc version of Earth, Revival is a 4x strategy game where the world and its rules can change at key moments, creating a deep and highly replayable experience.
Why similar: 4X 23.7% ★, Diplomacy 20.4% ★, Grand Strategy 18.6% ★, War 8.6%, Futuristic 8.1%
Galactic Civilizations is a space based strategy game in which you are in control of humanity's destiny.
Why similar: 4X 27.3% ★, Grand Strategy 20.8% ★, Diplomacy 18.4% ★, Artificial Intelligence 8.9%, Space 7.8%
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: Diplomacy 30.4% ★, Wargame 21.5%, Text-Based 12.2%, Space 9.6%, Sci-fi 8.4%
The Pegasus Expedition is a story-driven sci-fi grand strategy game set in a key moment for humankind’s survival. Facing an overwhelming threat at home, humanity sends expeditions to the Pegasus Galaxy in a desperate attempt to find a refuge for the population of Earth.
Why similar: 4X 20.1% ★, Diplomacy 18.6% ★, Grand Strategy 16.3% ★, War 8.7%, Space 7.9%
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 30% ★, Grand Strategy 22.7% ★, Lore-Rich 10.8%, Space 9.9%, War 9.2%
An alien invasion has fractured humanity into seven ideological factions each with a unique vision for the future. Lead your chosen faction to take control of Earth’s nations, expand across the Solar System, and battle enemy fleets in tactical combat.
Why similar: 4X 21.8% ★, Diplomacy 19.7% ★, Grand Strategy 17.6% ★, Military 10.2%, War 9.8%
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: 4X 45.4% ★, Military 14.3%, Sci-fi 12.8%, Strategy 11%, Exploration 9.1%
A Planet of Mine is a mini procedural 4X. Starting from a single and unique planet, survive, gather and combine resources, develop your technologies and start the conquest of space.
Why similar: 4X 60.4% ★, Space 20.1%, Strategy 8.9%, Simulation 8.4%, 2D 2.3%
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.
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: Grand Strategy 40% ★, War 14.6%, Futuristic 13.9%, Space 12.6%, Strategy 10.7%
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%
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: 4X 39.1% ★, Wargame 19.8%, Space 18.4%, Sci-fi 11%, Strategy 7.9%
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: Diplomacy 21.3% ★, 4X 20.9% ★, Grand Strategy 16.6% ★, Military 10.6%, Space 8.3%
Stars in Shadow is a turn-based 4X strategy game and a vivid tribute to the genre classics. Compete with alien factions to explore and colonize nearby starsystems, build fleets to defend against rivals, negotiate or conquer them. Win by unifying the galaxy, through diplomacy or force.
Why similar: 4X 63.5% ★, Space 16.4%, Strategy 12.2%, Sci-fi 7.9%
Lead your people to victory on an ever-evolving world in this strategy game featuring asymmetric factions led by powerful heroes. Build your empire, wield political influence, and raise grand armies to wage war in a race to uncover dark secrets buried within the planet.
Why similar: 4X 23.7% ★, Diplomacy 21.5% ★, Grand Strategy 18.9% ★, War 10.5%, Military 10.1%
Take command of one race to join the struggle for supremacy in the galaxy. As the leader of your empire you are tasked with exploring the stars, colonizing new worlds, managing your empire and conquering whoever dares to oppose you.
Why similar: 4X 56.8% ★, Space 22%, Strategy 15.3%, Sci-fi 6%
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: Diplomacy 25.9% ★, Grand Strategy 24.3% ★, Military 15.6%, War 14.1%, Space 10.2%
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 36.1% ★, Wargame 18%, Lore-Rich 14.6%, Sci-fi 7.9%, Space 7.8%
Create your own nation in Millennia, a historical turn-based 4X game that challenges your strategic prowess across 10,000 years of history, from the dawn of humanity to our possible futures.
Why similar: 4X 26.7% ★, Grand Strategy 20.3% ★, Diplomacy 19.7% ★, War 9.9%, Military 9.6%
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: 4X 44.9% ★, Space 19%, Grand Strategy 17% ★, Strategy 13%, Sci-fi 6.1%
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 58.2% ★, Space 20.7%, Strategy 12.8%, Sci-fi 8.4%
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 27.6%, Strategy 26.7%, Futuristic 23.7%, Sci-fi 14.7%, Simulation 7.2%
Unique combination of turn-based 4X and historical grand strategy with a mythological twist. Explore the ancient world and build a world leading civilization. Survive, expand, conquer... and win!
Why similar: 4X 25.4% ★, Grand Strategy 19.5% ★, Diplomacy 17.6% ★, Military 10.2%, War 9.8%
Shadow Empire is a deep turn-based 4X wargame with a unique blend of military focus, procedurally generated content and role-playing features. Players take the seat of the supreme ruler of a small nation, with the goal of reconquering a devastated planet.
Why similar: 4X 25.1% ★, Grand Strategy 18.9% ★, Wargame 15%, War 10.9%, Space 9.1%
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 56.2% ★, Strategy 15.7%, War 14.1%, Sci-fi 9.6%, 2D 4.4%
In Prosperous Universe start your galactic empire by trading on the real-time market exchange with other real players. Build your 1st base from humble beginnings & watch as your business flourishes with complex supply chain strategies. Economics, politics & realism fuel this immersive business MMO.
Why similar: Space 23.5%, Text-Based 22.9%, Management 19.2%, Sci-fi 15.3%, Strategy 10%
Explore a galaxy full of wonders in this sci-fi grand strategy game from Paradox Development Studios. Interact with diverse alien races, discover strange new worlds with unexpected events and expand the reach of your empire. Each new adventure holds almost limitless possibilities.
Why similar: 4X 24.1% ★, Grand Strategy 20.8% ★, Space 12.6%, Diplomacy 10.7% ★, Sci-fi 5.9%
Sid Meier’s Civilization: Beyond Earth is a new science-fiction-themed entry into the award winning Civilization series. As part of an expedition sent to find a home beyond Earth, lead your people into a new frontier, explore and colonize an alien planet and create a new civilization in space.
Why similar: 4X 34% ★, Grand Strategy 15% ★, Space 14.4%, Strategy 10.8%, Sci-fi 10.7%
A turn-based Galaxy totalwar game. Choose one of 12 factions, direct dozens of admirals, control hundreds of warships, mecha and monsters, set up various buildings, study technology, and lead fleets to carry out grand strategic actions on the map of the galaxy.
Why similar: Grand Strategy 27.8% ★, 4X 27.6% ★, Wargame 19.1%, War 13%, Strategy 4.4%
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: Diplomacy 35.4% ★, Grand Strategy 23.7% ★, Wargame 17.1%, Sci-fi 9.7%, Strategy 7.6%
Forge an empire in a universe where population growth is stripping away planetary resources. Colonize unknown planets and trade with other races for their knowledge.
Why similar: 4X 61.4% ★, Space 16.9%, Strategy 14.1%, Sci-fi 7.6%
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: Space 28.4%, Futuristic 19.9%, Management 14%, Strategy 13.2%, Sci-fi 13%
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 51.3% ★, Space 27.4%, Strategy 11%, Sci-fi 10.4%
Navigate a living, AI-driven universe spanning 150+ planets and 600+ intelligent NPCs. Rise from a rookie trader to a galactic tycoon: manage storefronts, forge a Commerce Guild, and become the nexus between Factions, steering the fate of the Galaxy.
Why similar: Space 40.1%, Management 34.7%, Exploration 13.6%, Simulation 11.6%
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 56.1% ★, Space 19.4%, Strategy 15.7%, Sci-fi 8.9%
Star Trek: Infinite is a grand strategy experience that lets you play your own Star Trek story as the leader of one of four major factions in the galaxy. Follow the specially crafted story or blaze your own trail in the first Star Trek grand strategy game.
Why similar: 4X 25.9% ★, Grand Strategy 21.1% ★, Diplomacy 19.8% ★, Space 9.9%, Military 7.5%
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: Grand Strategy 32.2% ★, Diplomacy 26.7% ★, Wargame 26.2%, Strategy 10.2%, Simulation 4.7%
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: 4X 30.2% ★, Diplomacy 27.2% ★, Space 11.4%, Management 9.1%, Strategy 6.7%
You will have to lead the civilization, develop the economy, enhance the technology, stabilize the people and colonize new galaxies; when encountering unknown civilizations, will you hide yourself or communicate with them in a friendly way? In this "dark forest", every decision will be crucial.
Why similar: Grand Strategy 26.2% ★, Wargame 18.6%, Military 13.8%, War 10%, Space 9.7%
Forge an empire in a universe where population growth is stripping away planetary resources. Colonize unknown planets and trade with other races for their knowledge.
Why similar: 4X 70% ★, Strategy 13.7%, Space 11.1%, Sci-fi 5.2%
Predestination is a turn-based sci-fi 4X game set in the distant past of our own galaxy. Ships from countless races are flung back in time by a powerful hostile race known as the Revenants, and must now work to rebuild their empires and somehow stop the Revenants in the past.
Why similar: 4X 54% ★, Space 21.3%, Strategy 16.4%, Sci-fi 8.3%
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: 4X 43% ★, War 18.5%, Space 15.8%, Sci-fi 9.4%, Strategy 7%
Pandora: First Contact is a science fiction 4X turn-based strategy game on a planetary scale. Our Earth has been exhausted and colonial attempts on other planetary bodies have been in vain. Finally, after decades of exploration, an interstellar probe has brought promise of a new world.
Why similar: 4X 62.7% ★, Strategy 14.2%, Sci-fi 10.7%, Space 7.1%, Simulation 5.3%
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 58.3%, Space 25.5%, Sci-fi 10.9%, 2D 5.2%
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: Diplomacy 32.3% ★, Wargame 21.3%, Military 13.8%, War 10.4%, Futuristic 9.9%
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 53.2%, Simulation 46.8%