* Twice the Fun: Play as both Classic Sonic and Modern Sonic in the ultimate Sonic experience. Master the moves of each character as they race through each environment on their own specially designed track. * The Best Just Got Better: Iconic environments from gaming history come to life in beautiful HD for the ultimate Sonic adventure, each revisited, recreated and re-imagined with stunning results. * Unlock New Adventures: Once you complete each level and free Sonics captured friends, youll get to go back and take on more challenges with them at your side. * Infamous Bosses and Rivals: Take on some of the most notorious characters from Sonics past as you fight for ultimate supremacy. * Master Your Moves: Master Classic Sonics famous Spin Dash and Spin Attack and utilize Modern Sonics Sonic Boost as you complete the all new tracks. * ESRB Rating: EVERYONE with Cartoon Violence