I think Ni No Kuni should get the win. KH3D looks like a good game but Ni No Kuni is looking so amazing that I can't wait any longer for it's release.
Atlantica was the worst (KH1). Trying to get hold of the dolphin was annoying as hell.
Check out the thread below, quite a few gamertags have been posted their :) http://www.kh-vids.net/showthread.php?112739-Community-Playdate-(Gamertags-Included)
Sonic Adventure on the dreamcast or the demo disc which came with it (if that counts as a game).
