things that we gonna make MKWII become a ultimate mario kart game

what we need to make mario kart wii become a ultimate mario kart game? adding a custom menu ''background, plus adding mods; adding custom characters; removing racing cheats; okay, removing racing cheats and what else? adding new karts, and what else we need to make mario kart wii become a ultimate mario kart game? lets see... in this mod we are removing racing cheats for mario kart wii, and im gonna put pineapple on your pizza; LETS MAKE THE ULTIMATE EDITION OF MARIO KART WII