Analysis of information sources in references of the Wikipedia article "Tank (video game)" in English language version.
Kee releases Tank, the top game of the year, and surpasses Atari in sales, while opening distribution routes that Atari could never have opened on its own. Kee is later revealed to be a subsidiary of Atari and merges back with its parent company, successful in having widened the reach of the biggest game maker in the arcade industry.