M.U.L.E.

M.U.L.E. is an early multiplayer video game released in 1983 by Dani Bunten of Ozark Softscape. It was published by Electronic Arts. Written for the Atari 400/800, it was ported to the Commodore 64, the Nintendo Entertainment System and the IBM PC Jr. While it played like a strategy game, it incorporates aspects that simulate economics.