According to the book Pinball Memories, of the 994 games made, less than 500 were sold. The rest were ultimately scrapped or salvaged. Based on the 1970 2-player board game Mastermind. Using Bally documentation, we corrected our unsubstantiated Project Date of 4-29-81 and Manufacturer Date of August 1982. Unlike other Bally electronic pinball games, their documentation for this game shows the model number only as 1262, not 1262-E.