Top similar games like PlanetX:

Build a planetary empire, research game-changing tech, and raid real players across a persistent galaxy. The classic browser space strategy, reborn - and finally fair: no pay-to-win, ever. Team up for 8-fleet combined attacks. Your mines keep working while you sleep.

「Reshaping Mars」is a colony simulation game on Mars, you will start by gathering resources, storing food, accepting immigrants, and building a better colony together. Develop powerful technologies for Mars Reshaping, make Mars great agai..sorry, just great. Don't forget to make the residents happy.

A massively multiplayer grand strategy game, Stronghold Kingdoms is about forging alliances, political mind games, city-building and castle sieges with thousands of other players!

Explore an unknown galaxy, colonize planets, and build an interstellar empire. In NABERON, a real-time space strategy game, you lead fleets and ground armies to war in space and on planet surfaces — alone or with your friends. Inspired by a legendary '90s Hungarian classic.

A real-time space strategy MMO where your colony keeps working, your fleets keep moving, and the galaxy remembers every choice. Travel in real time, watch every battle resolve, raid and ally across one living galaxy that resets every 6 months. Free to play. No pay-to-win, ever.

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.

In Anno 2205™, you join humankind‘s next step into the future with the promise to build a better tomorrow. You conquer Earth, establishing rich, bustling cities and grand industrial complexes, but to secure the prosperity of your people, you must travel into space.

Innovative yet familiar real-time strategy game in development. Grand-scale RTS game played on maps/planets of any 3D shape. It emphasizes strategy, base building, logistics, and reduces micro-management of individual units.

Recovery Syndicate is a prequel to Abeyance, in which you are the leader of one of the factions trying to reconstruct the economy of the galaxy. You must build and manage your colony's resources carefully, while watching out for rival factions who are also vying for supremacy.

One Crown. Endless War. Command a city in an ever-running war between four nations — build deep, muster a veteran army that survives between battles, and tip a war no one can win alone. Free to play, right in your browser or on desktop.

Create your hero, lead a legendary fantasy faction, and conquer your foes in strategic turn-based hex combat. Oversee economy maintenance, technology research, and hero progression to ensure your people dominate their rivals across worlds near and far.

Lead your crew across strange new worlds in this narrative driven outpost builder! Research, explore, and build as you face a mysterious cosmic force that threatens a new ally. Your adventure awaits, Captain!

Build a freight company on Mars. Connect mines, depots and spaceports, dispatch autonomous trucks, and compete for profitable contracts. Balance cargo capacity, energy costs and deadlines as you grow an industrial network on the Red Planet.

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.

Space 4X game with the ability to build factories, extract resources, with characters, internal and external markets ... Take part in the discussion of the game, share your vision)

Construct and manage your colony anytime, anywhere, any device!!!!

A strategy game with elements of trading, levelling, looting, resource management, basic combat and exploration. Take control of a clone salvage team, visit planets and make as much money as you can. Three replayable solar systems. Challenge your friends with a private leaderboard or play solo.

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.

Outpost Surge is a society survival game on Mars, where players balance resource management, city growth, and settler health to turn a barren landscape into a thriving, vibrant city.

Build and automate a lunar colony that Earth depends on. Mine regolith, run conveyor-and-drone factories above and below the surface, manage colonists, trade with rival Earth factions — and play a story campaign with multiple endings.

Wage war across entire solar systems with massive armies at your command. Annihilate enemy forces with world-shattering TITAN-class units, and demolish planets with massive super weapons!

Build, trade, and survive in a living ecosystem where every choice shapes the colony and every faction remembers. Deep systems connect production, management, and survival in a world that never stops reacting.

A colony-building strategy about settling a hostile alien world. After a failed mission, your crew crash-lands on Erythra, cut off from Earth. Build a base from scratch, connect power and oxygen systems, manage colonists, and turn survival into a thriving colony.

There will be challenges to overcome. Execute your strategy and improve your colony’s chances of survival while unlocking the mysteries of this alien world. Are you ready? Mars is waiting for you.

Build and lead a colony on the surface of an endless Wall. Manage resources and your people, develop new technologies, defend against relentless zyrex attacks, and send robo-spiders on risky expeditions. Keep the colony from collapsing – in Wall World, it's easy to fall.

Guide a group of space settlers trying to establish a base on a remote planet. Grow food, collect energy, mine resources, survive disasters and build a self-sufficient colony in a harsh and unforgiving environment.

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!

In Space Drilling Station, manage a drilling station on a distant planet. Build a multi-level vertical structure to produce and manage your resources and staff, in order to dominate the competition!

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.

Build. Defend. Survive. Expand. A sci-fi base-building game on a hostile alien world. Gather resources, build a sprawling high-tech colony, and defend against relentless alien threats—then unlock new planets, new challenges, and the secrets of humanity’s last frontier.

An MMO experience that's perfect for solo or team play. Join the adventure and become the ultimate Emperor of the galaxy. Conquer Planets, Manage Economies, Optimize Production, Upgrade Technology while exploring a Randomly-Generated Galaxy, and compete Seasonal PVP.

Exostation is a sci-fi real-time strategy game. Reach sustainable planet economies by building, allocating, mining, and selling wisely. Allow humanity to spread and conquer new solar systems not by war but by ensuring its planet's resources are not exhausted.

District Null is a cyberpunk city simulation. Traffic, energy, fire services, police, schools and entertainment all run at the same time.

Astro Industry Wars is a lighthearted, futuristic real time strategy game with base building, economic production chains, colorful worlds, and lots of vehicles.

Establish a base on a distant planet. In this immersive sci-fi colony building sim, you'll balance economic growth, tourism, and defense against hostile alien forces. Your decisions shape the fate of your settlement and its inhabitants. Are you ready to thrive on the frontier of space?

Build Rome Together! A co-operative grand strategy MMO from a team of veteran city builders, Romans: Age of Caesar is the latest historical strategy game from Firefly Studios.