Top similar games like Children of the Galaxy:

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.

Distant Worlds is a vast, pausable real-time 4X space strategy game. Experience the full depth and detail of turn-based strategy, but with the simplicity and ease of real-time, and on the scale of a massively-multiplayer online game.  

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 perfect-information strategy game inspired by RTS, deckbuilders, and board games. Choose from three distinct technology classes and outwit your foes by snowballing your starting resources into a powerful cybernetic army. ABSOLUTELY NO PAY-TO-WIN.

From the creators of AI War: Fleet Command comes an all-new grand strategy title with turn-based tactical combat, set in a deep simulation of an entire solar system and its billions of inhabitants. You are the last of a murdered race, determined to unify or destroy the 8 others.

Command vast fleets in epic space battles, master a turn-based galactic campaign, and unite a pirate rebellion to find the legendary Red Pearl and stand against the tyrannical Z-Army. They can't take the stars from us!

The ascendant spacefaring 4X strategy game returns! A new chapter in the epic Master of Orion saga is poised to once again capture the imaginations of millions of gamers.

Distant Worlds 2 is a vast, pausable real-time 4X space strategy game.

Turn based 4X strategy game, recreating the civilizations of ancient China. Develop your land, build great cities, raise huge armies and fight epic battles, with hundreds of soldiers fighting right on the game map. Advance your technologies, culture and religion to create one of mankind’s biggest empires.

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.

Command your space fleet, mine asteroids, and conquer colonies in this immersive real-time strategy game. Build powerful space stations, upgrade your ships through combat experience, and manage vital resources as you expand your dynasty across a star system.

"You are outgunned. You are massively outnumbered. You must win." These are your orders. Humanity has already fought its war against the machines -- and lost. AI death squads stand watch over every planet and every wormhole, the few remaining human settlements are held captive in orbiting bubbles, and the AIs have turned their...

Lead your people to glory and write a new chapter of history in Realpolitiks II, a real-time grand strategy game where you lead any contemporary nation in an attempt to secure world dominance.

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The Rebel Space Admiral is an idler/ clicker game about space exploration with battles, trade, base building, planet invasions and science research. Fight your way through hundreds of star systems, meet aliens, find powerful artifacts and defeat an ancient evil before it purges the galaxy.

Terrorize the galaxy for fun and profit! Space Tyrant is a surprisingly deep beer & pretzels strategy game set in a darkly humorous future. Build a mighty space force, disintegrate peaceful aliens, and rule irresponsibly on your relentless march to total domination.

Lords of Kingdoms is a multiplayer online war game. Turn your small castle into a mighty fortress and become ruler of the greatest realm.

Assume command of a battle fleet and deploy immediately to the Dust Zone, commander. Our main food supply station has gone dark and the United Earth Nations (UEN) needs to know why in this 4X RTS space sim. Manage your ships, control space stations, and watch your back.

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.

Break from the traditional role of ruler and take up a new set of tools within Tales of a Spymaster, a turn-based strategy set in a fictional world, filled with threats and opportunities. Choose your kingdom and guide your ruler to victory, in whatever manner you deem fit.

A finite world with infinite resources. Defeat your opponents before the world collapses under your empire in this epic Battle Royale 4X RTS! A tidal wave is putting an end to this continent, will you make it through?

Become the dominant star-fairing-civilization throughout the procedurally generated star systems. The player must establish/pursue: (1) Ideology; (2) Population; (3) Military assets; (4) 4x dominance (5) Technologies; (6) Artificial Evolution; (7) Cyber attacks; (8) Peace or war.

From Village to Empire is an indie turn based strategy game with a historical setting. Build cities, research technologies, and train units to discover new lands and conquer the world!

Adventure through a limitless procedural galaxy, as you play the role of a colonist in this epic colony simulator.

「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.