Twilightvania by Yannick Bouchard leads of this selection of entries from Threadless's Video Games That Don't Exist contest. Links below are to the artists' sites.
The Floor Is Lava by Nate Christenson.
Super Skeletor World by Vo Maria.
Tax Blaster by Alejandro Fernandez.
Mojo Jojo Vengeance by Bruno Ferreia.
You can see the rest of the entries at Threadless.
You are now looking at Screenburn, a Kotaku blog dedicated to the best gaming images, videos and GIFs online.