Professor Bamb'o will ask the player if they would like to disable their custom game rules, displaying a menu similar to one originally used to select them. These settings must be chosen before beginning the game and can not be changed later however, most of them can be disabled once the Championship has been completed (the exception being Randomizer mode). It allows players to select any combination of various rulesets that affect game mechanics and increase difficulty. Custom Game is an option offered when starting a new game.
