Good News! Your new game cartridge reflects the latest state of the art enhancements to high-level strategy game play. Your MORPHY EDITION of Master Chess is the most recent of a long list of world famous chess programs developed by Applied Concepts, Inc. This MORPHY EDITION is one of the strongest chess programs commercially available today; and, when played in conjunction with its companion cartridges, Gruenfeld Edition of opening book moves and Capablanca Edition of end-game strategies - on the Great Game Machine's contiguous play function, it is absolutely unmatched in strength of play and strategic excellence!
Excerpt taken from the Morphy Edition Module User Manual printed in 1981
Morphy is compatible with Modular Game System (“MGS”) and Great Game Machine (“GGM”).