60+ similar titles based on shared tags and player behavior. Themes include Space, Massively Multiplayer, Sci-fi, Free to Play.
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.
Shattered Void
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.
Exocraft
Design unique spaceships and build the ultimate space mining fleet as you team up to battle for resources and glory in this massively multiplayer action strategy set in an alien wasteland.
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: Massively Multiplayer 27.8%, MMORPG 21.4% ★, Space 18.5%, PvE 9.9%, Sci-fi 7.2%
Design unique spaceships and build the ultimate space mining fleet as you team up to battle for resources and glory in this massively multiplayer action strategy set in an alien wasteland.
Why similar: Massively Multiplayer 22.6%, MMORPG 20.8% ★, Mining 13.7% ★, Space 12.6%, Sci-fi 7.4%
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: Massively Multiplayer 28%, Space 20.6%, Base Building 11.1%, Sci-fi 10.8%, PvE 9.9%
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: MMORPG 26.5% ★, Massively Multiplayer 23.9%, Space 17.4%, Sci-fi 8.8%, PvE 7.8%
A space based MMORPG with a focus on ‘dogfighting’ style action and exploration. Features a huge array of ships, imaginative weapons and ship upgrades with more being added all the time. Explore the galaxy, fight other players, form your own organisations, mine asteroids to craft new items, loot rare weapons from alien races, and more...
Why similar: Massively Multiplayer 66.3%, Space 19.5%, RPG 14.2%
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: MMORPG 34.9% ★, Space 21%, Base Building 12.5%, PvE 9.9%, Building 8.7%
Explore a living galaxy in Stars Reach. Discover new planets, build settlements, and shape environments that react to everything you do. Players work together to transform untamed worlds into thriving civilizations across a single shared universe.
Why similar: MMORPG 31.7% ★, Massively Multiplayer 21.5%, Base Building 10.7%, PvE 10.4%, Sci-fi 9.5%
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: Massively Multiplayer 46%, Space 28.7%, Sci-fi 9.2%, RPG 9%, Strategy 7.1%
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: Massively Multiplayer 29%, Space 22.4%, Base Building 13.2%, Sci-fi 12.3%, Building 9.4%
An Idle Space MMORPG where you progress at your own pace, but the universe is built together. Explore a procedural galaxy of nearly 50 million star systems alone — or join a Squadron to pool resources, raise space stations, upgrade shared buildings, and expand across the stars as one.
Why similar: MMORPG 30.8% ★, Massively Multiplayer 18.3%, Space 18.2%, Mining 13.4% ★, PvE 7.8%
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: PvE 18.9%, Sci-fi 16.1%, Base Building 12.2%, Exploration 11.6%, Massively Multiplayer 10.5%
Dark Orbit is a free-2-play space MMO where three companies battle for galactic domination. Customize ships, trade resources, fight aliens and uncover a grand conspiracy on your epic cosmic journey. Thrilling PvP and PvE missions await! Will you lead your faction beyond the final frontier?
Why similar: MMORPG 44.3% ★, Massively Multiplayer 17.1%, Space 13%, RPG 10.9%, Sci-fi 5.4%
A unique space strategy game where thousands of players participate in one shared galaxy.
Why similar: Space 35%, Massively Multiplayer 33.6%, Sci-fi 8.6%, Strategy 7.3%, PvE 6.6%
Starship Theory is a ship building survival game. Mine and trade to gather resources. Plan and construct new upgrades. Train and manage crew. Fight to survive.
Why similar: Space 36.9%, Base Building 27.7%, Sci-fi 13.8%, Strategy 10.2%, Building 7.2%
Command a fleet of ships to hunt aliens, trade resources and loot treasure! Form corporations with your friends while fighting a never-ending intergalactic war in this open-world online space adventure!
Why similar: MMORPG 30.9% ★, Massively Multiplayer 21.3%, Space 19%, Sci-fi 8.5%, Exploration 6.4%
Starbase is a hybrid voxel/vertex-based space MMO with a fully destructible and infinitely expanding universe, with a focus on building and designing spaceships and stations, exploration, resource gathering, crafting, trading, and combat.
Why similar: Massively Multiplayer 37.8%, Space 22.7%, Building 13.2%, Sci-fi 11%, Crafting 7.9%
Start with your Command Center and expand it into a colossal modular flagship, module by module. Design custom warships from the ground up, grow a thriving civilization, and command powerful fleets across the Solar System in tactical real-time battles.
Why similar: Space 37.8%, Base Building 22.6%, Sci-fi 16%, Exploration 14.2%, Strategy 9.4%
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: Base Building 30.9%, Sci-fi 28.5%, PvE 25.7%, Strategy 14.8%
Ascent is a PVE sandbox space MMO with 270 BILLION star systems and an emphasis on strong Sci Fi. It encourages Exploration, Colonization, Research, Asteroid mining, Farming, Trading, and Combat. Outside the tutorial sector, everything in-game has been built by players.
Why similar: Massively Multiplayer 46.8%, Space 35.1%, Sci-fi 10.2%, Strategy 7.9%
Starborne: Frontiers is a free-to-play tactical autobattler with hundreds of unique ships. Form your fleet, customize it with a variety of equipment, and use strategy to create the perfect battlefield formation. Take on bounties, engage in the PvP arena, and bring order to the Frontier.
Why similar: Tactical RPG 31%, Space 17%, PvE 15.1%, Sci-fi 8.5%, Tactical 8.1%
Deepworld is a massively-multiplayer 2D crafting adventure game. Mine and craft your way through a persistent online universe where there's always something new to discover. Battle frightening monsters, mysterious automatons, and other players in PvP!
Why similar: Massively Multiplayer 67.5%, RPG 11.6%, Crafting 8.5%, 2D 7.6%, Action 4.8%
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 41%, Building 12%, Sci-fi 11.5%, Massively Multiplayer 11.4%, Crafting 7.1%
Gangs of Space is a massively-multiplayer Rogue Shmup where Gangs of players compete for the conquest of the galaxy.
Why similar: Massively Multiplayer 38.9%, MMORPG 32.7% ★, Space 16.9%, Sci-fi 5.6%, RPG 3.5%
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: Massively Multiplayer 66%, Tactical 22.2%, Strategy 11.8%
First Glimpse on Steam Next: Build, Configure, and Manage every aspect of your own Starship. An FTL-esque game in a MMO setting. Pre bundled with deep strategy, exploration, PVP, market economy, trading, mining. Basically everything a star captain wants to do after a day at the office :)
Why similar: Massively Multiplayer 34.7%, Space 25.6%, Base Building 14.2%, Sci-fi 12.1%, Exploration 6.8%
Heartwood Online is a cross-platform free-to-play MMO. Explore a vast world filled with adventure where you choose your own path. Immerse yourself in crafting, trade, PvP & PvE battles, guilds, politics, and a thriving player economy.
Why similar: MMORPG 38.9% ★, Massively Multiplayer 26.5%, PvE 10.2%, Crafting 6%, RPG 5.7%
Space. Ships. Resources. Trading. Production. Combat. Mine ore, haul cargo, and find profitable trade routes. Buy and capture ships, build your fleet, construct stations, and develop your production. Start with your first ship. Build your empire!
Why similar: MMORPG 33.1% ★, Space 25.7%, Sci-fi 15.5%, Crafting 11.9%, Massively Multiplayer 8.2%
Tidal Nexus Online is a submarine themed old school open world MMO. Fight with monsters, trade and collect valuables in the depths to upgrade your sub. Join clans, participate in world events, make friends and enemies along the way.
Why similar: MMORPG 41.7% ★, Massively Multiplayer 26.8%, RPG 10.7%, Sci-fi 9.3%, PvE 6.9%
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: Massively Multiplayer 24.8%, Space 21.4%, Mining 16.2% ★, PvE 11.1%, Sci-fi 9%
Mine asteroids, salvage space debris, design your own small or massive spacecraft using individual functional components, complete missions, and engage in battles against enemies in a vast galaxy with realistic physics based on orbital mechanics or in a classic physics mode.
Why similar: Space 53.5%, Sci-fi 13.8%, Building 10.1%, Strategy 9.4%, RPG 8.9%
Design and simulate the starships of your dreams! Command your ship or fleet in epic battles and manage your crew while exploring a dangerous galaxy. Play alone or with friends, test your ships in online PvP, and let your imagination reach for the stars!
Why similar: Space 34.1%, Sci-fi 24.5%, Building 16.5%, Exploration 11.1%, Strategy 8.3%
Downfall MMORPG is an open-world sci-fi & fantasy MMORPG where magic and technology collide. Choose a faction, forge your own playstyle, and fight for control of a living world in massive PvP battles and endless PvE adventures.
Why similar: MMORPG 39% ★, Massively Multiplayer 24.2%, Sci-fi 10.2%, Space 8.4%, PvE 6.8%
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 46.3%, Space 30.2%, Action 21.1%, 2D 2.5%
A free-to-play sci-fi PvE looter shooter set in a volatile and expanding universe where every mission drives progress forward for the player and community together. Choose to play any mission in real-time action or turn-based tactics, and help to eradicate the Void.
Why similar: Space 33.8%, PvE 22.6%, Sci-fi 18.6%, Top-Down 12.2%, Strategy 8.7%
Play Astroflux - a retro styled, action packed MMO space shooter.
Why similar: Massively Multiplayer 57.8%, Space 24.5%, RPG 11.2%, Action 4.8%, 2D 1.7%
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: MMORPG 28.6% ★, Massively Multiplayer 23.4%, Space 16.1%, Base Building 11.2%, Sci-fi 9.5%
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: MMORPG 57.1% ★, Exploration 12.3%, Top-Down 12%, Strategy 9.1%, 2D 5.3%
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: Massively Multiplayer 28.1%, Space 19.3%, Mining 13.1% ★, Strategy 11.4%, Sci-fi 9.4%
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: Space 43.2%, Building 25.2%, Strategy 13.9%, Sci-fi 12.2%, 2D 3.3%
In Star Trek Online, the Star Trek universe appears for the first time on a truly massive scale. Players take the captain's chair as they command their own starship and crew. Explore strange new worlds, seek out new life and new civilizations, and boldly go where no one has gone before.
Why similar: MMORPG 28.9% ★, Massively Multiplayer 27.8%, Space 19.2%, Sci-fi 10.8%, RPG 4.7%
A procedural co-op space sandbox where players can build their own space ships out of dynamically scalable blocks. Fight epic space battles, explore, mine, trade, wage wars and build your own empire to save your galaxy from being torn apart by an unknown enemy.
Why similar: Space 33.9%, PvE 20.2%, Building 16.6%, Sci-fi 16%, Exploration 13.3%
Deuterium Wars is a rapid 2D shooter. Create your own aircraft and plunge into heated battle with other players. What awaits you: an extensive role-playing system, craft, trading, and much more on a single server for all platforms.
Why similar: Massively Multiplayer 54.1%, PvE 15.3%, RPG 9.4%, Crafting 8.6%, Building 5.2%
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: Base Building 32.4%, Sci-fi 21.3%, Co-op 15.7%, Strategy 15.2%, Exploration 14.5%
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: Massively Multiplayer 41.3%, PvE 18.4%, Sci-fi 14.9%, Crafting 13.5%, RPG 8.5%
A multiplayer roguelike about teamwork, survival...and cute animals in space! Play with a few friends or join a streamer's crew of dozens as you work together to battle aliens across the vast Rogue Space.
Why similar: Sci-fi 34.5%, Exploration 22.4%, Co-op 18.7%, Strategy 15.9%, 2D 8.5%
Design and build a massive interstellar fleet in this simulation sandbox. Strip space of its minerals for profit, but stay alert: your greed attracts the alien. Master deep base-building and deploy warships to protect your empire in immersive real-time space.
Why similar: Space 25.3%, Mining 19.1% ★, PvE 13.6%, Sci-fi 13.5%, Base Building 12.5%
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 27.2%, PvE 14.1%, Building 12.7%, Sci-fi 11.8%, Crafting 10.4%
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: Massively Multiplayer 60.1%, Space 25.3%, Strategy 12.9%, Action 1.8%
Anarchy Online – the first ever science fiction MMO – is now on Steam! Compete and cooperate with thousands of players simultaneously on a vast, alien world. Join humanity nearly 30,000 years in the future in a world of perpetual conflict and scientific marvel.
Why similar: Massively Multiplayer 39.4%, MMORPG 35.2% ★, Sci-fi 12.5%, RPG 7.8%, Strategy 3.3%
A sci-fi exploration & survival game where you take on the role of a spaceship’s AI. Explore, fight, and survive across a mining colony in the Main Asteroid Belt. Rebuild your ship. Rescue your crew. Reveal the truth behind your mission.
Why similar: Space 34.7%, Sci-fi 17.2%, Base Building 17.2%, Exploration 12.6%, Top-Down 9.7%
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: Massively Multiplayer 47.3%, Space 29%, Base Building 12.8%, Strategy 10.9%
Final Factory blends factory building, spaceship design, and a rich universe to explore. Build a mega factory and command a massive fleet against the hostile local aliens. Discover new technologies and unlock the secrets of an ancient civilization as you explore an infinite cosmos.
Why similar: Space 22.8%, Base Building 18.2%, Crafting 13%, Sci-fi 12.8%, Building 11.4%
