Select from your favorite Sonic character between: Tails, Knuckles or Cream. In Sonic Ultimate Flash version you have to get all golden rings and passing in their world levels. Use key left and right to move, jump with the space bar, see his other special moves at the game instructions page. Sonic Flash is an unblocked game to play online in your browser for free, free of charge and on any device, can be played on your computer, phone or tablet, also as a comment, We want to let you know, Sonic Flash game is unblocked and it's one of the best Sonic Games with a lot of fun, playable in any device at school or home, the game Ultimate Flash Sonic has been chosen by many players as their favorite, try it and we hope you enjoy playing. Remember, at iyigames.com we offer you the funniest unblocked games of the world to play online free. Ultimate Flash Sonic, Sonic game, free online, unblocked game, arcade game, jumping, running, golden rings, levels, adventure game, play online, mobile game, computer game, kids game, fun game, iyigames.com, Arcade, Adventure