From back of game case
Prepare for the Ultimate Game!
Nine huge warriors battle for the right to face the Eternal Champion and win the supreme prize -- the life that fate stole. Kick, punch and smash through friends and foes alike in the 32-player tournament.
User summary
Fans of the Mortal Kombat and Street Fighter franchises will find more of that type of game here, including gruesome overkill scenes triggered by one's match performance and the location of the victim on the screen's background. The game is controlled either by the 6 button Arcade pad, or the motion-capturing octogon Sega Activator controller.
ESRB:T is from the Virtual console version
Also has a VRC rating of MA-13 on the original release.