One impossible-to-categorize game is also one of the most beloved among progressive jackpot game fans. Perhaps the best way to describe Mega Ball might be to simply go with the “eight-games-in-one” description touted by many. Essentially, Mega Ball involves a series of different games in which six balls are always in play. The rules are generally simple, but slightly different from each to vary it up. Just follow the bouncing ball, eh?