(Online Interactions Not Rated by the ESRB) A puzzle game where the aim is to find rectangles of matching tiles known as "yosumin" and make them disappear. Make massive rectangles for the ultimate feeling of satisfaction! It's not just about solo play - there are online battle modes to enjoy as well! This game requires the Xbox 360 hard drive or the 512MB Memory Unit for storage. There are no refunds for this item. For more information, see www.xbox.com/live/accounts.