Complete the following achievements to unlock Xbox Live Gamerscore points.
Complete the indicated task to unlock the corresponding Avatar Award.
Have a saved game file from Sonic The Hedgehog 4: Episode 1, then complete Sylvania Castle Zone Act 1. Go to the "Map" screen and you can now play as Metal Sonic in Episode Metal.
Complete all the special stages and collect all seven Chaos Emeralds. To turn into Super Sonic collect 50 rings then press Triangle  or Y  Xbox 360  .
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