No revenue estimate for PSN — its rating/review counts don't calibrate to sales the way Steam's do. The Steam version is estimated at $3.8M — a different platform, not this one.

Forever Skies

Forever Skies is a first-person post-apocalyptic survival game. Play it solo or in coop and return to Earth, ravaged by an ecological disaster. Build, fly, upgrade and customize your high-tech airship. Craft tools, and scavenge resources to survive. Face dangers on the surface and hunt for viruses to cure a mysterious illness.\r \r Build and Control Your Airship\r Build, maintain and extensively customize a high-tech airship. This will be your home, workshop, laboratory and more while flying above the surface of a ruined Earth. Manage your airship and gather resources to improve and make it uniquely yours.\r \r Scavenge Ruined Skies\r Gather food, materials and resources from the ruins of civilization to survive. Use science to upgrade your tools, airship and technology to thrive in this hostile environment as you try fulfil your mission of finding viral pathogens to cure a mysterious illness ailing the last remaining humans stranded in orbit.\r \r Descend Below the Dust\r Descend bel