OXO


 * A and B lights center pop for 1000 and opens right outlane gate.
 * Rollovers/standups light a grid segment with an X or O.
 * Inlanes/center standup will light an X or an O based on what is lit in the center of the playfield.
 * The blue bumpers toggle whether X or O is lit.
 * Each X/O in the center grid is 1000 in bonus. Max 9000.
 * Triple bonus on last ball. Don't have a bad last ball!
 * Get a tic-tac-toe to light saucers for 5000.
 * Bob Matthews EM Guide
 * PinTips