Today only Amazon.com are selling Wario: Master of Disguise On for the Nintendo DS, for $12.99 reduced from $29.99 with free shipping if you add another $12.01 to your order.

Wario Master of Disguise is a really entertaining play, that just like the other Wario games brings a little puzzle solving into the Mario platform world. Use of the stylus here is very well done and the game is well worth $13