Sphere: Flying Cities – Official FAQ

Frequently Asked Questions

  • Title: Sphere: Flying Cities
  • Genre: City Builder/Survival/Strategy
  • Developer: Hexagon Sphere Games
  • Release: Steam Early Access Start: October 14, 2021
  • Platforms: Windows-PC (Steam)

What is Sphere: Flying Cities?

Storyline Sphere: Flying Cities


In the not-so-distant future, Earth’s moon has been struck by a massive asteroid. With the fallout rendering the terrestrial surface uninhabitable, the ecosystem of the planet collapses. Facing complete annihilation, humanity makes one final and desperate attempt to survive — thanks to newly-created anti-gravity technology, the first flying city ascends as the ultimate bastion of the human race.

The Mission

As Commander, you have been chosen to take control over the flying city in this relentless and unique strategy-blend that combines the best elements of the city-building and survival-game genres. Rebuild and protect a society in a seemingly uninhabitable environment. Utilize the Anti-Gravitation device to navigate your flying city across the globe into the treacherous unknown. Stay vigilant, as each decision could have ghastly consequences; be prepared to lay it all on the line to succeed, else risk losing everything you worked for.

What are the key features of Sphere: Flying Cities?

  • Build It, and They Will Come: Erect a living, thriving city with a great variety of different building types and maintain your ecosystem via resource management mastery and infrastructure supported by independent economic cycles.
  • Do not Look Down: Ensure your antigravity device and its expanding deflector shield are always kept in tip-top shape, as an insufficient power supply will result in a quick demise.
  • Send in the Robots: Utilize drones and other scout technologies in hazardous environments to construct buildings, harvest resources, and search for stranded survivors and rare materials in uncharted territories.
  • A Scientist in Space: Research new technologies to improve the efficiency of every aspect of your city and withstand a plethora of (un)natural disasters like geomagnetic storms, asteroids, and poisonous clouds.
  • A Delicate Ecosystem: The well-being of your people is crucial to the success of the mission. Carefully tend to the needs of your colonists by supplying food, healthcare, and shelter. But don’t forget, the survival of many may require the deaths of the few. Sacrifices are an inevitable imperative.

When will Sphere: Flying Cities be released?

  • Sphere: Flying Cities will be released for Windows via Steam Early Access on October 14, 2021.

Any details on other platforms/consoles already?

  • We are focusing on the Steam/PC release first. It’s too early to tell whether the game will be available on other distribution platforms and whether there will be console versions.

Will the game feature controller support?

  • There will be only classic keyboard and mouse support, when we enter Early Access.
  • If we add controller support during or post-Early Access, we simply have to see, also in regard to accessibility and reception of the game during Early Access, as well as surely based on the community’s feedback.

Which engine are you using for Sphere: Flying Cities?

  • Sphere: Flying Cities makes use of the latest Unity engine.

Which languages are planned for Sphere: Flying Cities?

  • The game will offer voice over support in English.
  • Additionally, Interface and subtitles will be supported in English, German, French, Spanish, Korean, Japanese, Chinese (simplified), and Russian.

Any details on system requirements already?

  • The game should run on fairly low-end PCs due to its graphical style.


  • Info: Requires a 64-bit processor and operating system
  • OS: Windows 7/8/10 64-bit
  • Processor: 3.2 GHz Dual Core Processor
  • Memory: 4 GB RAM
  • Graphics: GeForce GTX 660, Radeon R7 370 (or equivalent), 2 GB video RAM
  • DirectX: Version 12
  • Storage: 3 GB available space


  • Info: Requires a 64-bit processor and operating system
  • OS: Windows 7/8/10 64-bit
  • Processor: 3.2 GHz Quad Core Processor
  • Memory: 8 GB RAM
  • Graphics: GeForce 970, Radeon RX 580 (or equivalent), 4GB video RAM
  • DirectX: Version 12
  • Storage: 3 GB available space

Please be aware that before the game has been fully released, further work will be done, including optimization, but as well extensive (hardware-/setup-) testings. Therefore, those system specs might be subject to change.

Who is developing Sphere: Flying Cities?

  • The core team consists of four employees. In addition, individual assets are created by freelancers. Sphere is our first “real” big game, and we dream of many more titles to follow as a game company. We are all based in Hannover and surrounding region, our office is centrally located in the heart of the city.

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