Leadified on 24 October 2013
1) The Orange Box
2) Metroid Prime Trilogy
3) Super Mario Galaxy 2
4) The Elder Scrolls V: Skyrim
5) Pokemon Diamond/Pearl
6) Halo 3
7) Dark Souls
8) Kirby Superstar Ultra
9) Fallout 3
10) Super Meat Boy
Was going to put Civ IV on this list but it came out just under a month before the 360 came out :C.
