A user is able to play a game with a more realistic sensation of being an actual player. In a video game device main unit 1, a button press detecting section 103 detects the force with which buttons on a controller 5 are depressed, and a left stick operation detecting section 105 detects the speed at which an analogue stick on the controller 5 is inclined, and the angular speed at which the analogue stick is rotated. A ball path of travel setting section 104 sets the speed and path of travel of the ball, or the like, according to the force detected by the button press detecting section 103, and the speed and angular speed detected by the left stick operation detecting section 105.