Top similar games like SpaceInvasion:

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!

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.

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

MMO Real-time strategy star game.

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.

Create your own empire in the browser game Damoria

Step into the role of Orion, a robotic employee of the Interstellar Construction Bureau. Explore and transform distant planets into habitable worlds, tackling unique challenges and maximizing profits in this card-based survival strategy game.

Guide a robotic mission in Venus’s polar clouds in this space colonisation city builder. Collect energy, mine resources, balance buoyancy to stay afloat, in the treacherous Venusian atmosphere, and build a self-sufficient base while navigating storms and acid clouds to hunt mysterious anomalies.

Veyrasol is a real-time MMO strategy game set in the Veyra Spiral galaxy. Build colonies, command fleets, forge alliances, and battle for dominance across ~120-day seasons in this free-to-play browser-born strategy experience.

Command a mercenary company in a living sector. Trade, fight and scheme in real-time fleet battles while empires go to war around you. Play solo or with friends over Steam, and mod everything through the Workshop.

Create your own carrier fleet, explore the universe, and destroy enemy ships with style!

Welcome to Solar Showdown - the ultimate 2-player couch competitive game where you harvest solar power, build defenses, and produce minions to attack your opponent's towers. Generate enough power to activate your base's ultimate weapon and blow up your rival! Grow, build, defend, and dominate!

Galaxor is an online sci-fi strategy game where you build planets, research technologies, command fleets and expand your empire across the galaxy. Manage resources, join clans, take part in events and face alien threats in long-term space warfare.

One civilization, three skies: a planet torn by multiple suns, a cluster ruled by the dark forest law, and a galaxy of ten thousand stars. Anomalies rewrite each run; Story Mode links all three parts; play online with up to 10 players or in co-op; Auto Play runs your civilization while you idle.

The ultimate space capital ship combat compendium is the evolution of hard core space combat sims. The only game of its kind currently in existence.

Space adventure with open world, FPS shooter and a lot of missions. Choose your own carrier. Are you a space pirate or a brave space ranger? Choose your destiny. The galaxy needs you, commander! Openworld game with multiple worlds to explore.

Indie 4X space strategy game with TB empire management and RTS combat set in a 3D star cluster. Build an interstellar empire by colonizing and conquering star systems, develop your colonies establish trade routes and construct fleets from a range of retrofittable capital & escort class vessels.

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.

VALTERION: THE LOST EARTH is a sci-fi colony-building strategy game. Lead 50 survivors on Elyra, build a thriving colony, develop its economy and research, return to the stars, and search for the lost path back to Earth.

The technologically advanced humanity starts looking for other planets to conquer. Now that the Earth is depleted of its resources, we're looking for them elsewhere. The Universe is open for us now - and it cannot hide any secrets. So how will you conquer it?

Build your interstellar empire in Exo7! Colonize new worlds, extract Metal, Silicium, Tridioxid, and Antimatter, build mighty fleets, and explore hyperspace. Choose your faction, conquer raids and bounty hunts, and dominate Sector 7!

Star Trek: Prelude is a space-based game that builds defense towers on earth to defend against alien invaders called Black Ember.

A 3D space fleet RTS of ten-minute battles. Lead up to ten squads, each three flagships and a cloud of escorts, into a fight of thousands of ships. Pause any time to set position, height and heading, and play six-sided shields, lines of fire and energy against an enemy you must outthink.

Space Gears is a next-generation Strategy set on Mars. Don't fret about micromanaging build orders, or your resources. Set your sights on victory by raising an army of mechs and build up your base in this fluid and fast-paced PvE and PvP strategy game.

Welcome to the world of space stations! Create your own space base with workplaces and production facilities. Ensure sustainability and safety, explore space, defend your base, and build diplomatic relationships. Be vigilant and successful!

Fight in the endless war for resource in the vast universe. Explore the galaxy to find resource-rich planets, defeat enemies stationed in, mine planets, expand your power and conquer the galaxy. Become the greatest conqueror of the universe right now.

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

Champions of the Cosmos is a retro sci-fi RTS inspired by 80's action figures, comics and movies. Play heroes with the power to reshape the landscape around them and other unique abilities to take over the cosmos and choose whichever side you sympathize with most - light or darkness. 

Ancient Space is a story driven single player real time strategy game where you take command of a fleet embarking on a scientific mission to chart undiscovered reaches of space called ‘The Black Zone’. Overcome overwhelming odds and fight for your life and the survival of your ship and its crew.

Nebulon Colony is a 3D colony sim. You take command of the first crew of astronauts, tasked with building the first colony on a distant planet. Dig, craft, build, trade, automate, level up, grow plants, herd animals, drive rovers and more.

Build spacecraft with a realistic part-based editor and fight multiplayer orbital wars using Keplerian, Newtonian, and patched-conics flight. Engage with lasers, railguns, missiles, and EW in fast, decisive battles shaped by strategy and logistics.

Solbreak Skirmish is a fast-paced tactical 1v1 battle with RTS-like mechanics. Control your units, each with a unique ability, to help turn the tide of battle in your favor! With multiple win conditions, there's plenty of room for skill expression and creativity to take down your opponent.

Build a retro-industrial space program, manage your launch base, assemble and upgrade the Columbiad, then manually guide each mission through atmospheric ascent, orbital insertion, lunar transfer, and recovery in a low-poly spaceflight management adventure.

Command fleets across whole star systems in real time. Hold the warp gates, cut the enemy's supply lines, launch your carriers' wings and tear open a rift to jump a titan behind their lines. Three factions, three story campaigns, and wars from 1v1 duels to sector-wide conquest.

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.

Ifectra is a strategy game set in 2124 on the distant planet Emevera III, ruled by the Maxploit Corporation, where an epidemic of a yet unknown virus broke out. Your goal as the corporation security commander is to evacuate as many healthy people as possible and to eliminate infected individuals.