checked-part =>10 Lives: On the title screen, press R L D U A B [START]. Press [SELECT] before pressing [START] for a two player game. =>Sound Test: Before turning on the NES, hold A+B. Turn the NES on and a Sound Test will be on the title screen. ->Replay with Score: Once you beat the game and the title screen reappers, press A B [START] to begin with your score intact, or B A [START] to begin with your score and number of remaining lives from the last game.