User blog comment:Bobofango/Monster Hunter Frontier for the Xbox 360!/@comment-50.124.47.209-20121017214649/@comment-126.210.22.134-20121022020004

Nope, it's region lock for Japanese Xbox and J IP address. I play it, but it won't work on my American Xbox, but works on my Jpn Xbox. I've been playing since release to Xbox. The next best thing is to play TriG or whatever it's called in USA when it's come to Wii U and 3ds.