M.U.L.E. was one.
Bruce Lee was another.
Gauntlet, was another cool multiplayer game.
Bop N. Rumble, a C64/PC game that had a wrestler guy fight off Ninja Grampas, old ladys with purses that turned into helicopters, etc.
Hovver Boover, "borrow" lawnmowers to mow your lawn.
Pirates!, argh, there be a cool game!
Master Of Magic/ Master Of Orion