All of my times for Sonic CD 2011, Sonic 4 Ep. 2, and Sonic Generations (Time Attack) were done on Xbox360 and can be found on their respective in-game leaderboards! Likewise, my times for Lost World can be found on its in-game leaderboards, as well.
The Sonic Center v3.9
Copyright 2003-2011 by The Sonic Center Team.