Games worth getting a 360 for

[Wright]

Crackdown,

 

Dead rising,

 

The Witcher 2, a good alternative if your PC can't handle it.

 

Metro 2033, again, if your PC can't handle it.

 

DarkStar Alliance,

 

Fez,

 

Braid (though this is totally multiplatform),

 

Geometric Wars 2 (MUST HAVE),

 

Battleblock Theater,

 

[Still TBA] Lives & Deaths

 

State of Decay.