Analysis of information sources in references of the Wikipedia article "Color TV-Game" in Chinese language version.
Nintendo entered the home market in Japan with the dramatic unveiling of Color TV-Game 6, which played six versions of light tennis. It was followed by a more powerful sequel, Color TV-Game 15. A million units of each were sold. The engineering team also came up with systems that played a more complex game, called "Blockbuster," as well as a racing game. Half a million units of these were sold.