Player-operated control system for pinball games

In a pinball game of the type having a pinball that rolls freely on a downwardly sloping playfield, flipper mechanisms for diverting the travel of the ball to prevent the ball from exiting the playfield under the force of gravity through an outhole, a plurality of features on the playfield including bumpers, targets and lamps, and a microprocessor for controlling the operation of the pinball game by the execution of a software program, such control including monitoring scoring during the player's turn the improvement comprising:

• a) a plurality of player-operated switches mounted on the end of the pinball game adjacent to the game player for signalling the microprocessor during the course of the player's turn, and;
• b) software means executable by the microprocessor for altering the operation of selected features on the playfield according to the signal received from the player-operated switches during the course of the player's turn, each time the player achieves predetermined game objectives.