Publisher Assemble Entertainment and developer Hexagon Games are delighted to announce the release of survival city-builder Sphere - Flying Cities, today on Steam via Early Access. Take to the sky as you attempt to rebuild a semblance of society in this gripping post-apocalyptic sci-fi survival game where your most handy asset is a hyper-futuristic anti-gravity device. Utilizing a breadth of delicate and sophisticated technology and tools, you’ll assume the role of Commander while combining strategy and skill to keep the city’s denizens alive in what is humanity’s last stand.