Five go bang
Get rid of 2 enemies at the same time with an exploding object!
1/8/2012
9:58:56 PM
Common 54.6%
Acrobat reporter
Move along the length of the Karaboudjan using the grappling hook!
1/8/2012
8:48:08 PM
Common 66.1%
Football champ
Knock out 2 enemies in a single throw of a ball using a rebound!
1/8/2012
12:25:07 AM
Common 59.5%
Bonds of Friendship
Complete all Challenge Acts featuring Sonic's friends.
12/25/2011
10:55:34 PM
Ultra Rare 2.5%