In fact, it was one of the first slot machines to ditch the old 243-way reel betting system for the robust Xtra Reel Power system. And it also became an instant hit with newbie and seasoned slot players alike.īuffalo slot machines boast some of the best graphics, rich gameplay, and plenty of ways to bet and win. It wasn’t until 2012, however, that Aristocrat produced the online version of Buffalo slot machines. Buffalo is without a doubt one of the most loved and played slot machines ever, especially the classic version that’s found in almost all casinos and gambling rooms across the US.