M.U.L.E. remains one of those games that people hold both in high regard and have strong memories of. The museum's copy has instructions as well as the original receipt for $55 in June of 1984.
Here is an excerpt from the inside of the packaging.
It means something, M.U.L.E. Multiple Use Labor Element. Everyone expected him to be perfect for planet pioneering. Mining, farming and general hauling capabilities - he could to it all. It was all the unexpected stuff, however, that made a M.U.L.E. a M.U.L.E.
He was born - if you can call it that - in an underground lab in the Pacific Northwest. A major defense contractor had gone out of its way to get the job and they were stoked. Stoked, that is, until the detailing robots went out on strike. Costs ran over. Senators screamed. And when the dust had cleared, the job was finished by by a restaurant supply firm, a maker of pre-school furniture, and the manufactures of a popular electric toaster. It shows."