SPOILERS!
Level 1: Click the Drawing of the guy And something will appear on it's hand. Click the red thing a nd it'll end up everywhere. Than the code comes out.. (1/10/10)
Level 2:Don't click button with the question on it and click the prefectly White button. soon 3 Things will look left and right than click the white button again. then the code comes (942) Level 3: A blur Shows up. wait and it'll show a picture of Satan. the code is 666