"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. Whilst there, Sonic runs into some very familiar characters from his past including a younger version of himself! Now they must team up to defeat their enemies, save their friends, and find out who is behind this diabolical deed."

Sonic Generations is an upcoming 2011 platform video game in the Sonic the Hedgehog series, currently in production by Sonic Team for Xbox 360, PlayStation 3 and Nintendo 3DS. It celebrates the 20th Anniversary of the original Sonic the Hedgehog game and will be released on November 22, 2011.