Sonic Extreme Run is a splendid sonic game. Play it here on CrazyGames.com directly in your browser, for free. It is available as an unblocked game. Sonic Extreme Run is made with Flash to work smoothly in most browsers. Sonic Extreme Run has received 69,131 plays and has been rated 9.1 / 10 by 941 people. If you enjoy this game, make sure to also try our other sonic games or Sonic.io and Sonic the Hedgehog 2.