No revenue estimate for GOG — its rating/review counts don't calibrate to sales the way Steam's do. The Steam version is estimated at $13.1K — a different platform, not this one.

DethKarz

2408 ad. You're one of the elite racers chosen to compete at exotic locations around the world and beyond. Strap yourself intro a fusion-powered racing machine, packing plasma artillery and reasy to use an awesome array of powerups including turbo boosters, intelligent homing missiles and stealth capability. As you get faster and more lethal you can unlock even more race modes and secret cars. But beware - 19 other Dethkarz racers are out there trying to win at any cost. We built Dethkarz from the ground up to exploit the awesome capabilities of the latest 3d accelration technology. SO the visuals and gameplay are sure to blow you away - if the other Dethkarz don't get you first! 4 racing encironments each with 3 tracks: Metro City, Grand Keys, The Pole and the Red Planet. 12 selectable cars with individual handling, combat and racing characteristics. Ultra cool car dynamics and track layouts allow for awesome jumps and stunts. 3 different race classes and hidden vehicles for enhanced replay value.