Sonic's Ultimate Chalange part 1 is a new Sonic game and is said to be the last in the Sonic Series (nobody knows since they might make more, witch is totally predictable). Sonic is to go through a bunch of chalanges that nobody knows who created. This game is for the UltraSega, rated E 10+ for Everyone 10 and up, and is made by TTY Inc's headmaster, Flameguy9981.