Not to be outdone by Microsoft's newly announced Project Natal, Ubisoft on Monday introduced Your Shape, an exercise game that utilizes a new camera peripheral for the Nintendo Wii.

Not to be outdone by Microsoft's newly announced Project Natal, Ubisoft on Monday introduced Your Shape, an exercise game that utilizes a new camera peripheral for the Nintendo Wii.

The camera tracks players' movements without the aid of a Wiimote or other handheld controller. The game offers vocal feedback and lets players target which part of the body they'd like to work out.

Your Shape is the latest in a recent spring of fitness games, including EA's Sports Active, first kicked off by the Wii Fit.