Mastermind - A Number Game for the 6502
The game "Mastermind" written by Steve Wozniak for the Dr. Dobbs Journal. The game source code listings will work on the Apple I, as stated by steve in the article.
Document is dated September 1976.
See http://www.stockly.com/historicdvd.php for information on getting this as well as other large documents on 5 DVDs for the cost of media.
Preserved in time thanks to David Craig.