Ninja Gaiden II: The Dark Sword of Chaos Cheats

At title screen, quickly press up, up, up, down, down, down, a, b, a, b, select, start. If not fast enough code won't work. If you did it right, the game will make a chime. Now, press right, left, right, left, b, a. A word will come up saying INVINCIBLE.

At the title screen, hold up and left (diagonal), start, select, A, and B all at the same time (simultaneously). The screen should then turn blue, followed by the sound test. It is very important that these buttons are all held. While held, the screen wil

For the second sound test, at the title screen, wait for the title screen to fade. As soon as it fades, press start and the title screen will re-appear. Allow it to fade once more and again, press start. Now press up and left (diagonal), start, select, A