Trick out your phone with exclusive  ringtones and wallpapers. Text  ‘Xbox’ to 30360* or go to www.xbox.mobi on your phone.

*Standard charges apply.

Assume the role of a ninja warrior with a full arsenal of weapons in the free Marketplace demo.
More details.

Be sure to check out some brutal screenshots of Ryu Hayabusa and watch the gameplay videos. Or learn about the hilarious and exclusive Ask A Ninja episodes that are available right now on Xbox LIVE. Want even more ninja? This is your place.