Hello, umm... this is confusing to me but I sorta have a problem. My Wii U won't play Wii U games, but ti plays Wii games. When I insert the disc like Super Mario 3D World, it just says it's a invalid disc and it won't load. But when I insert a Wii disc like New Super Mario Wii, it works fine with no problems. I have a WII U Deluxe system I bought on release day. Is just confusing why wii games work but not my Wii U.