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May 24, 1997 — In 1985, Mark J. Welch designed the Generic Adventure Game System (GAGS), a computer programming tool for creating “text adventure” games for MS-DOS computers. GAGS was released as “shareware” in 1985 and enhanced several times in 1986 and 1987.

In 1987, David Malmberg made substantial enhancements to the Generic Adventure Game System, which was renamed the Adventure Game Toolkit (AGT). Read more »