Released 25/05/2009 (Region 2)
The gang of Mystery Inc. take a trip to Japan and find themselves circling Asia and the Pacific in a treasure hunt, racing against the vengeful Black Samurai and his Ninja warriors to find the legendary Sword of Fate, an ancient blade fabled to possess extraordinary supernatural powers.
£8.99 @ Play
£8.48 @ amazon
£7.49 @ HMV
Used this voucher which gave me £1 off (Thank you Gary_rip):http://www.hotukdeals.com/item/396893/1-off-game-s-dvd-s-50p-off-cd-s-cd-/
You need to use the link from the above post and search for the DVD for the £1 discount to be applied.