The password in this game consists of an eight digit number. The three variables this number holds are the number of lives you have, the ammount of time you have left, and the level you're in. Here's what each number does:
Digit 1: (Level mod 10 + Level div 10 + Lives) mod 10 Digit 2: (Time mod 10 + Time div 10) mod 10 Digit 3: (Lives mod 10 + Level div 10) mod 10 Digit 4: Lives Digit 5: Time mod 10 Digit 6: Time div 10 Digit 7: Level mod 10 Digit 8: Level div 10
Mod 10 = what's left after multiples of 10 are taken out. Div 10 = number of multiples of 10 in a number.