Premise: Cars is an open world racing video game based on the 2006 film of the same name. It is available on Game Boy Advance, Microsoft Windows, OS X, Nintendo DS, Nintendo GameCube, PlayStation 2, PlayStation Portable, Xbox, Xbox 360 and Wii. A different version for the Leapster also was developed by Torus Games and Pixar.
Hypothesis: A different version of Cars was developed by Pixar.