This subseries holds documentation related to the development and release of Karateka (1984), Mechner’s first published computer game by Brøderbund. Materials here include notes, correspondence, sketches, reference materials, fan mail, published reviews, video, and more. (Of note is a letter to Mechner from a young John Romero, who went on to become a prominent game designer himself.) Also within this subseries are notes and descriptions for a potential sequel to Karateka.

Selected materials in this series have been digitized, and when appropriate, their corresponding digital file name is noted in brackets.