About
Sonic the Hedgehog 4: Episode I is a 2010 platform game developed by Dimps with Sonic Team and published by Sega, a side-scrolling sequel to Sonic & Knuckles (1994) featuring ring collection, spin-attacks, special stages for Chaos Emeralds, and online leaderboards. This is a decompilation of the Windows Phone version of Sonic the Hedgehog 4: Episode I.