Unlockables:Unlock the following bonuses by performing the corresponding tasks:BONUS – HOW TO UNLOCKAmy – Talk to her in the Casino as Sonic after finishing Sky Chase.Big – Defeat Chaos 6 as Sonic.E-102 Gamma – Defeat Gamma after finishing Sky Deck as Sonic or Tails. Alternately, finish Twinkle Park as Amy and watch the FMAs after it.Knuckles – Defeat him after finishing Ice cap as Sonic or Tails.Miles Tails Prower – Finish the C mission of Emerald Coast action stage as Sonic.Play Emerald Course in chao race – Beat the rest of the four courses.Super Sonic – Succesfully complete the game as Sonic, Tails, Knuckles, Amy, Big and E-102 Gamma. Super Sonic will be avaliable only in Adventure Mode.Easy rings for Black Market:After obtaining the Light Shoes (and Crystal Ring to speed up the process), go to the Casino area and step on the button to make the rings appear. You can do this repeatedly for more starting rings. Note: The ring limit can exceed 999, but you cannot tell exactly how many you have. Listen for the extra life sound to keep track of them. When you are satisfied, go to Emerald Coast and complete the level without getting hit. You will be awarded with however many rings you collected at the end. Go to the Chao Garden, then the Black Market, and spend your hard earned coins.Chao puzzle:You must have 3 controllers and the 3rd one must have a memory card for this to work. Start up the game with all 3 controllers plugged in and get into Adventure mode as any character. Now press START on the 3rd controller. Something on the memory card