Depending on your view this is the most brilliant or idiotic fighting game ever made.
The gameplay mechanic was simple. Hit an arm, and the enemy can't use it. Hit the head or chest and your opponent is down, done, kaput. A lot of people hated this notion. I love it! I can't tell you how many times I sent screaming opponents running out of my living room in furious frustration.
The game was innovative to a fault. So much that is was widely misunderstood. But spend some time with it, get to know all the unlockable characters and the impressive story mode. You'll see why this is a cult classic.