checked-no =>Sound Test: On the title screen, hold U+L+[SELECT]+A+B. While holding all of these down, hold [START]. The screen should blink between black and blue; release them when the screen begins to change blue. * Sound Test 2: On the title screen, hold U+L+[SELECT]+A+B and press [START]x2 to access the sound test, but to get a small picture of the girl on the screen instead of one of the ninja. * Musicruise: On the title screen, hold U+L+[SELECT]+A+B. When the title fades to black, press [START] to bring it back. When it fades again, press [START]x2. You can now listen to music, sound effects, and view the titles of the music tracks. =>Extra Lives: In stage 4-2, jump up and get hit by an enemy so that you land on the first ledge on the screen. You will be able to grab the extra life. Return to the ladder, climb up to the previous screen, then go back down and repeat the process.