Sonic's universe is thrown into chaos when a mysterious new power comes into force, creating 'time holes' which take Sonic and his friends back in time. While there, Sonic runs into some very familiar characters from his past including a younger, classic version of himself. Now they must defeat their enemies, save their friends, and find out who is behind this diabolical deed.
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.
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. Also, these environments are presented in stunning new stereoscopic 3D for a whole new way to play.
Once you complete each level and free Sonic's captured friends, you'll get to go back and take on more challenges with them at your side.
Take on some of the most notorious characters from Sonic's past as you fight for ultimate supremacy.
Master Classic Sonic's famous Spin Dash and Spin Attack and utilize Modern Sonic's 'Sonic Boost' as you complete the all new tracks.