A game apparatus that has a game machine for advancing a game according to a program and a mobile unit moving based on information data from the game machine. Further, a game system for a game player to play a game using a controller and a toy, comprising a storage step for the for the game player to manipulate the controller for moving the toy for bringing up a toy motion and store the brought-up toy motion and a reproduction step for the game player to manipulate the controller for reproducing the stored toy motion.