Ultimate Robotnik Duels pits you against the computer AI or a friend. You first choose your character and there a lot to choose from: Sonic, Robotnik, Knuckles, Tails, Silver Sonic, Mecha Sonic, Amy, Shadow, Rogue, Vector, Mario, Raiden, M.S. Alien, & Cannon Head. The goal is to deplete your opponent's health first to win the match.
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