CheatCC says: "Supposedly, fights will be more realistic because of "improved A.I." but that's been said before. Rumble mode will definitely be back in top form and each fight will have their own special punches, extreme KO's (including all those out of the ring punches) and Rumble combos. For the unschooled, the titular fighting mode grants extra speed and a whole lot of hurt to your opponent. It's the most unrealistic part of the game, but probably the most fun. Expect lots of ring-out KO's followed by obnoxious celebrations and taunts."