1. x 1. Player, 2. Player 2. Optionen 2.1 Rest (0, 1, x2, 3, 4, 5, 6, 7, 8, 9) 2.2 Game Level (1, 2, 3, x 4, 5, 6, 7) 2.3 Shoot 2.4 Missile 2.5 Power Up 2.6 Bell Power 2.7 Autoshot (x On, Off) 2.8 Roulette (x On, Off) 2.9 Revival (x Off, On) 2.10 Loop Setting (x1 Loop, End) 2.11 Music (x Stereo, Mono) Pause the game and press A, Y, A, Y, L, R, L, R, B, X, B, X, B, X, then unpause the game.