Sonic Generations

As part of its celebrations for Sonic the Hedgehog's twentieth birthday today, Sega has released a one-act demo of throwback platformer Sonic Generations for Xbox 360 and PS3.

Sonic the Hedgehog returns in Sonic Generations, an HD adventure including re-imagined content from the past twenty years.

Nintendo Power and a YouTube video leak the arrival of two new Nintendo 3DS titles, Sonic Generation and a revival of the Shinobi franchise.

Sega has showed off the first trailer for Sonic Generations, showing classic Sonic racing through a 2D Green Hill Zone-like stage and modern Sonic speeding through a 3D version of the same.

Sega officially announced Sonic Generations today. The game will bring together classic characters and environments, and is due this holiday season for Xbox 360 and PS3.