checked-yes =>Stage Select: On the demo screen, when a flash appears over one eye, press [START] and then hold CNTRL I: U+A+B. Hold CNTRL II: U+L+A+B. Press CNTRL I: [START]. Choose a number to select your stage: 00=1, 08=2, 0A=3, 12=4, 1E=5, 32=7, 38=8 3B=9, 40=10, 49=13. =>Extra Bullets: In the 3-D building levels, you can press [SELECT] to trade your life points for bullets.