Enlarge / Is this Super Mario Kart or Where's Waldo? (credit: MrL314 / YouTube) Here at Ars, we're big fans of emulators and ROM hacks that actually improve on the limitations of classic games in some way or another. Today, though, we've found ourselves enamored with a Super Mario Kart ROM patch that easily makes the game much, much worse. Longtime Super Mario Kart hacker MrL314 calls Resident Evil Kart "the worst thing I have ever created," and it's not hard to see why.