Sonic the hedgehog 4 episode 1 – this game has million fans and it doesn't need representation. Doctor Robotic could fasten a planet by a huge chain. On a planet there are temporary stones by means of which he wants to win the Universe. A hedgehog Sonic, in turn, tries to rescue his native planet! In the new part you are waited for by a new marathon with expanded opportunities of a gameplay, including classical sprint and a universal whirlwind of tracking of attacks. There’re two new levels with use of the accelerometer and special stages of fans, which allow to collect 7 emeralds of Chaos and to open Super Sonic. In the game there’re 4 zones, each with 4 acts. Each act contains 7 levels.