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Heliopolis Six
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The top results based on the latest update are Nova Origin [Score: 1.3], Deep Space Expedition 47 [Score: 1.3] and Exostation [Score: 1.3] The top rated games you can find here are Captain of Industry [SteamPeek Rating: 7.6] ranked #27, Surviving Mars [SteamPeek Rating: 7.5] ranked #31 and Planetbase [SteamPeek Rating: 6.7] ranked #8 Also don't forget to check the newest releasesSpace Drilling Station [Release date: 2026-04-20] ranked #11, Solargene [Release date: 2026-01-19] ranked #17 and Amazing Space [Release date: 2025-10-10] ranked #20 While it is tempting to play with the newest and the best, there might be some other gems in the results, like Solargene [SteamPeek Rating: 5.2] ranked #17, Captain of Industry [SteamPeek Rating: 7.6] ranked #27 and Surviving Mars [SteamPeek Rating: 7.5] ranked #31.
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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.
Explore space: Colonize different planets, gather valuable resources, and build your own space colony. Travel the solar system and even create your own planet. Your decisions shape the future of the galaxy in this limitless space adventure.
Build your Italian empire in this realistic medieval RTS that combines truly organic city building and immersive roleplaying. City-states compete for influence, families such as the Medici try to divide power among themselves and artists create masterpieces that define an entire era.
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Experience the ultimate turn-based colony building game in Citizens: On Mars! As the leader of a fledgling Martian settlement, your mission is to develop a thriving colony amidst the harsh and unforgiving environment of the Red Planet.
Build an industrial empire on a remote island. Mine resources, reshape terrain with excavators, grow food, construct factories, lay train tracks, and trade with the outside world. Research 100+ technologies to advance from basic metal smelting all the way to nuclear power and space flight.
AstroCore Mining puts you in charge of a colony where profit is everything and survival is fragile. Extract resources, balance factions, and face pirates and unrest. Lead not just a colony but the future of a nation in the brutal reality of space capitalism. Join to the Playtest now!
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Build, launch and manage realistic space missions across our solar system, placing satellites and telescopes in precise orbits. Explore planets, collect valuable scientific data and sell your findings to expand your rising aerospace empire.
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.
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A grounded sci-fi station builder where you hold failing systems together while pursued by a relentless, energy-hungry swarm. As a fleet on the run, drop into hostile systems, gather what you can, and jump away before you are overwhelmed. Try to survive long enough to secure a future for humanity.
Build cities and factories in an infinite Hex World. Explore more tiles. Balance your city's production and consumption, attract more citizens of different classes, research new technologies and build more factories and cities.
You are the eyes and ears of mission control for the ambitious exploration of Mars. Recruit, train, and assign your crew to an authentic space sim advised by real astronauts, engineers & planetary scientists. Monitor feeds, issue orders, and react when things go sideways. Every decision is yours.
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