Sega today announced Sonic the Hedgehog 4 Episode I. Available exclusively via download, Sonic the Hedgehog 4 Episode I will bring back the side scrolling action that Sonic fans love in an all-new 2D adventure. Sonic the Hedgehog 4 Episode I will be available in Summer 2010 for Xbox Live Arcade, PlayStation Network, and WiiWare.

Sonic the Hedgehog 4 Episode I, the first Sonic game developed exclusively for download, brings back the adventure that Sonic fans have been waiting 16 years for. It will offer the classic Sonic moves that fans love including Spin Dash and Rolling Attack and will also feature Homing Attack, all in beautiful CG rendered environments. Packed with special stages, Sonic the Hedgehog 4 Episode I will take players through a variety of different Zones, inspired by the Genesis-era style. Longtime fans will not be disappointed as they face some intense boss battles against everyone’s favorite villain – the always devious and evil – Dr.Eggman.