A month before publication, it appeared at number 2 on SPI's Top Ten list just on the basis of preorders. When the game was released in July 1978, it rose to #1 and stayed in SPI's Top Ten for a year.
A month before its publication, the game was close behind, ranking second on SPI's Top Ten list because of pre-sales. When it was released in July 1978, it quickly took the lead and stayed in the Top Ten for an entire year.