R.I.P Flash! Ultimate Robotnik Duels is a Flash game which is not supported anymore. Please check our similar games!
How to play Ultimate Robotnik Duels?
Choose a character from Sonic or many other classic games. You'll have to face your rival with the help of a mace while piloting a spaceship in this unique fighting game. Learn the moves before playing and ask a friend to join
there's a two-player mode.