Abstract: A game ball system is presented including a ball, a means for position sensing for determining and producing information regarding the ball's position, an input device to receive user input, a processor connected with the means for position sensing and the input device to receive the information representing ball's position. The processor is also configured to receive the user input, and to process the information representing the ball's position and the user input according to a set of game rules to generate game output messages, which are outputted to the user via an output device in a user-understandable form. In operation, when a user tosses the ball upward, the processor receives a combination of user input and information about the ball's position, and processes them according to a set of game rules, providing feedback to the user regarding the game in the form of output messages from the output device.