WARNING: This page has been rated by the ESRB! Mario Kart: Negative numbers Dash -!!!!! was made by NintenDON'T in 2011. It was new, and it is on the NintenDON'T -3DS. Since the karts are supposed to contain a negative number of characters, no one except Luigi, Waluigi, Kamek, and a Thwomp named n00b can ride it.