• Gold Ring, each of which is individually numbered
• "20 Years Of Sonic" Art Book
• "20th Anniversary" Sonic Soundtrack (features music picked by the Sonic team themselves
• Figurine featuring classic and current Sonic side by side
• A documentary entitled "History of Sonic: Birth Of An Icon"
• Bonus DLC
As of now, no price has been set, but you American Sonic die-hards should set aside an extra bit of money if you plan to import this. Be on the look out for this game in stores this November.