We're back with another weekly installment of Gamnesia's Game Clash! Every Monday we pit two video games against each other, and the winner is decided by your votes! Rayman Origins, as the name suggests, returned the series to its origins with classic 2D platforming. Sonic Generations blended 2D and 3D action together catering to both classic and modern Sonic fans. Which of these 2011 series refreshes do you like more? Hit the jump to cast your vote and join the debate!