Like an MMA rookie about to get into his first cage fight, Supremacy MMA is wild and energetic but inexperienced and rough around the edges. It's got guts, grit, and growl, but not enough stamina to last a full match, especially when stacked up against other games that cost $49.99.
With shallow combat that still requires a time commitment to learn, most fights descend into strategy-free buttonmashing in short order. [Dec 2011, p.69]
Each fight is punctuated with some of the worst metal music I've ever heard, and fights generally end in unrealistically gruesome finishes. Really, I haven't seen this many broken necks and snapped limps in a fighting game since Mortal Kombat​.
A failed game, whose initial idea was attractive and different, and might have become an alternative to the two dominant series. Unfourtunately, 505 Games has failed implementing it, resulting in a lackluster game with a very bad control.