Develop your own space program and build an empire. Construct and upgrade your rocket center, build more rockets, and colonize planets across the universe.
4.5(50 ratings)
Free
Best games like Galaxy Colonizer
30+ similar games compared and reviewed
3.3 avg rating
10 free games
Updated August 2026
Whether you want more options like Galaxy Colonizer or a completely different take on the same concept, our curated list of 30+ similar apps and games has you covered. Updated for 2026 with the latest ratings and comparisons.
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4.4(25 ratings)
FreeAdsIn-App Purchases
An idle incremental clicker game set in space. Hatch pets, upgrade colonies, and customize your playstyle through a skill tree. Engage in multiplayer to achieve weekly goals and battle UFOs and comets.
1.0(1 ratings)
FreeIn-App Purchases
This sci-fi city-building simulator tasks you with managing a space colony. Extract minerals, build infrastructure, and manage life support to ensure your settlement thrives. Develop complex production lines and become an industrial tycoon in the depths of space.
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Universe Gravity Simulator 3D
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Become the CEO of your own space company and embark on a mission to colonize Mars. Fund, build, and launch rockets, sending colonists to earn bonuses and upgrade your facilities.
Build and manage a space companyColonize MarsFund, build, and launch rockets
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Tiny Spaceship
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Engage in basic space combat to defend your home planet from invaders. Strategize and command a fleet of starships as they battle enemy forces.
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Build a new human settlement on Mars by planning and constructing a space colony. Operate heavy machinery and manage resources to ensure survival in this city-building simulation game.
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Lunar, Inc
by Brandon Stecklein
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Build a business empire on the moon in this idle simulator. Manage resources, construct buildings, and hire employees to earn profits even when you're offline. Ascend to tycoon status through strategic growth and resource management.
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