Unlock Shadow's Flame Suit:
Get the cards Team Sonic, Team Rose, and Team Dark.
Unlock Sonic's Ice Suit:
To get Sonic's ice suit you must have Miles 'Tails' Power 2004, 2005, and 2002.
Unlock Knuckles' Leather Shoes:
To get Knuckles' leather shoes, get Coconut 2002, Turtloids 2002, and Buzzer 2002.
Unlock Silver's Leather Shoes:
To get Silver's leather shoes, get the card Chaos 2 (1998), Chaos 4 (1998), and Chaos 6 (1998).
Unlock Sonic's Leather Costume:
To get Sonic's leather suit, get the card Sonic The Hedgehog, Sonic The Hedgehog 2, and Sonic The Hedgehog 3. To get the gloves, get Cream The Rabbit, Cheese, and Cream and Cheese. To get the shoes, get Sonic and Amy, Amy Rose 2005, and Amy Rose 2004.
Added by: Sanzano Jun 15th 2011, ID#4002