7 Grand Dad

7 Grand Dad's stunning title screen.

7 Grand Dad was a videogame developed by a team of Chinese bootleggers in 22 B.B. It was the most commercially successful videogame of all time, selling over 400 trillion copies within it's first day on the market. This was admittedly due to a mysterious purchase of 399.999999 trillion physical copies of the game by a buyer known only as the "Benefactor".