Created at Carnegie Tech in Pittsburgh, The Management Game simulated an exciting market battle between three detergent companies. Like later strategy games, it required the players to juggle resources, in this case production, finance and research, as well as advertising budgets, personnel, and distribution.
Simulating three years in the lives of the companies, The Management Game would take two whole semesters to play. Still being used at some universities today, it holds the distinction of having the longest life of any computer game ever written. The very thought of it makes us die a little inside
[source : http://www.digitiser2000.com/main-page/the-pre-history-of-video-games-1947-1959]
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