THQ's stock has tumbled 50 per cent after posting a second-quarter loss, dropping its market value to less than US$11 million.
The popular gaming platform is now on sale at Microsoft's online store for anywhere from $249 to $399 depending on the bundle.
The successor to the Wii features a tablet-like controller. Nintendo says its goal is to create a platform that's satisfying for all players.
Game developer THQ unveils a 4-by-6-inch pad that lets you draw and color images that show up on your TV screen. A Pictionary game will be sold separately.