Single-player games like Heliopolis Six
Below are 9 single-player Steam games similar to Heliopolis Six, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Heliopolis Six page.
Ranked picks
- 1
Space Haven
Single-player alternative to Heliopolis Six — playable solo, no multiplayer required. Shares Strategy and Simulation with Heliopolis Six.
Embark on a space voyage with your ragtag crew of civilians in search of a new home. Build spaceships tile by tile, create optimal gas conditions, manage the needs and moods of their crew, encounter other space-faring groups, and explore the universe in this spaceship colony simulation.
- 2
Surviving Mars
Single-player alternative to Heliopolis Six — playable solo, no multiplayer required. Shares Strategy and Simulation with Heliopolis Six.
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.
- 3
Stable Orbit - Build your own space station
Single-player alternative to Heliopolis Six — playable solo, no multiplayer required. Shares Strategy and Simulation with Heliopolis Six.
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.
- 4
The Final Earth 2
Single-player alternative to Heliopolis Six — playable solo, no multiplayer required. Shares Strategy and Simulation with Heliopolis Six.
The Final Earth 2 is a vertical sci-fi city builder. Earth is unlivable, so you decide to create a space colony. Gather resources, then build and research your way to a better future! Grow your city from an exploration ship to a huge metropolis, full of advanced technology. What will you build?
- 5
Solargene
Single-player alternative to Heliopolis Six — playable solo, no multiplayer required. Shares Strategy and Simulation with Heliopolis Six.
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
- 6
Space Station Tycoon
Single-player alternative to Heliopolis Six — playable solo, no multiplayer required. Shares Strategy and Simulation with Heliopolis Six.
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.
- 7
Oxygen
Single-player alternative to Heliopolis Six — playable solo, no multiplayer required. Shares Strategy and Simulation with Heliopolis Six.
Oxygen is a survival city builder. Build your city around the Oxygen Center and ensure your people's survival in a post-apocalyptic future, threatened by crack explosions, deadly winds, droughts and frosts. Lead your people and more importantly keep the Oxygen Center running!
- 8
Captain of Industry
Single-player alternative to Heliopolis Six — playable solo, no multiplayer required. Shares Strategy and Simulation with Heliopolis Six.
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.
- 9
Deichgraf
Single-player alternative to Heliopolis Six — playable solo, no multiplayer required. Shares Strategy and Simulation with Heliopolis Six.
Deichgraf is a small, calm, but sometimes intense building game. Build your own village and protect it against water caused by floods and heavy rain!