No revenue estimate for GOG — its rating/review counts don't calibrate to sales the way Steam's do. Reviews and prices only.

Cyberia

In a future where global terrorists rule and mankind lives on the brink of destruction, the the ultimate doomsday device has just been discovered beneath the frozen wasteland of northern Russia. Code-named Cyberia, it was designed in an era of long forgotten peace by the most brilliant minds in nano technology. In an ancient world of hope, it was to be the ultimate protector of a new order. In the year 2027, it stands as the instrument of humanity's destruction. 11 incredible action sequences featuring realistic character interaction and challenging puzzle solving Take control of outlaw computer hacker Zak as you infiltrate a secret terrorist base to steal the ultimate doomsday device Pilot several different vehicles, including a stealth fighter jet and a nanotech virus cleaner