Top similar games like Heliopolis Six:

Nova Origin is a next-generation sci-fi city builder set on a mysterious alien planet. Build, expand, and survive as you establish a thriving colony, manage resources, and uncover the secrets of a hostile new world.

You've been sent ahead to establish a foothold economy for a future colony in deep space. Establish trade routes, buy supplies, and get the gears of industry turning before making landfall. The future of the colony is yours to decide.

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.

In this real time strategy city builder game you will help humanity in reaching beyond earth by establishing a permanent and thriving settlement in the asteroid belt. Settling in space comes with enormous challenges and dangers, which you will have to guide your people through

Dive into a hardcore space station simulation and overcome the unforgiving environment of space. You must build and manage your station under the pressures of life, economics, and thermodynamics. Rise to power through economic leverage or ruthless military might. 

Maia is a colony building game set in the not-so-distant future. Your colonists make planetfall on a hostile world and you must ensure their survival and their safety, constructing their off-world habitat from almost nothing and sheltering them from a dangerous, often deadly environment.

Perihelion lets you run your own rocket engine shop. Take over an abandoned desert airfield, design realistic, unique engines, then test them!

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.

Challenging space-colony sim. Guide generations of colonists, raise and educate them, manage resources, and ensure food supply. Maintain a breathable atmosphere, tackle pollution, and refine materials to build essential structures. Terraform planet and build ecosystem to make it your new home.

Design, build and control your own space station. Mission command and control is in your hands and only careful planning and vigilant supervision will keep your crew and space station safe.

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!

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.

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.

Welcome to Resort Galactica, a hotel simulator set in space where you design, build, and manage an extravagant resort among the stars. Care for your guests based on each species' individual needs. Expand your hotel with restaurants, leisure centres, and entertainment floors.

Take Command of a Space Corporation in the Sci-Fi Simulator Solargene! Manage personnel, design and develop colonies and orbital stations across the solar system! Mine resources, establish logistics, research cutting-edge technologies, trade, and complete missions

Take the position of a CEO of a space transport company and become a new major player in the industry. Space Company Simulator is a realistic management sim game that will challenge your planning skills as you strive to launch the first manned mission to Mars.

COMPLEX SKY is a futuristic city building game with a unique architecture system - build the city both ways, up and down! The world is devastated by pollution, and it’s up to you to create a fully self-sustainable city in the skies, and populate it with human settlers.

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!

Build and manage space outposts on the Moon and Mars in this realistic simulation game. From the first step on the Moon to Mars colonization, launch rockets, take care of your astronauts and expand your base as you explore the cosmos. No grind, just pure management and exploration fun.

See the galaxy through the eyes of a trader. Hundreds of years after humanity took to the stars, you're free to buy, fight, explore, and build your way to power. Shape economies, form alliances, and influence the systems that control trade, tech, and politics.

Create a thriving space station in a lost sector. Face thrilling challenges head-on, from pirate raids to asteroid impacts, as you lead your company to new heights.

Guide pioneering settlers among Venusian clouds in this space colonisation city builder. Grow food, collect energy, mine resources, balance buoyancy and weight to stay afloat in the treacherous Venusian atmosphere, and build a self-sufficient colony while navigating storms and acidic clouds.

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.

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

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!

Embark on a space city-building adventure in Moons of Ardan! Develop a thriving civilization in a real-time planetary system. Oversee production chains, cater to the needs of your axonauts, recover their lost technologies, and navigate resource transportation.

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.

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.

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.

Starship Factory is a construction / space simulation game where you build, test, and optimize rocket production for Mars colonization.