We're back with another installment of Gamnesia's Game Clash! It's been a while, so here's a breakdown of how it works. Every Monday we pit video games against each other, and the winner is decided by your votes! This week's battle is a Mario Kart showdown. From Super Nintendo to Wii U, there's been eight great Mario Kart games. Which one is your favorite? Click below to cast your vote and join in the debate!