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 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.

Sci-fi idle strategy in isometric view: build structures, gather resources, and trade with ships while exploring your plot of land cell by cell.

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!

As CEO, build your corporate empire! Design space-efficient factories in a grid-based puzzle system. Fund cutting-edge research to optimise production, master complex supply chains, and dominate a living interstellar economy.

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.

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)

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.

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

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.

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.

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.

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.

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.

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.

Astro Industry Wars is a lighthearted take on the RTS genre featuring distinct unit types, base building, economic production chains, and customizable unit rosters.

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?

Powerplay is an RTS with a focus on resources and industry. Create supply chains, transport, and explore in this thrilling base builder. Grow into a powerful industrial nation, but don't spread too thin! Resources are finite and "the others" can reclaim what is theirs at any time.

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.

Build your spaceship, Gargantua. Establish industries, shape the free market, trade between planets, and defend your wealth. A single mistake can collapse supply chains and trigger interstellar economic crises. Remember, war is money.

Kron Wars is a persistent browser-based sci-fi MMO where players trade, mine, build corporations, wage wars, hunt bounties, and control entire sectors across massive player-driven universes with dynamic economies and tactical space combat.