sentences:  However, in 2004, after displaying a message on the site for nearly a year that "Planet Hot Wheels" would be back soon, Mattel permanently removed the game from the website with no warning issued to its players.Many Hot Wheels fans played the game and speculations have been made on why the game was removed, but Mattel has not made any official statements.Many players enjoyed the virtual racing game because of the story features and because of its use of real world Hot Wheels models and the ability to upgrade their cars with decals, paint jobs, weapons, and other assorted components.