Final battle:
Enter 550446503776HC6 as a password.

Fifteen lives:
Enter HHHHHHHHHHH0HHH as a password.

Hint: The final battle:
Enter the combination obtained from the computer earlier in the game. Then light all of the candles before quickly killing the opponent in the center of the screen before he extinguishes the candles.

Level	Password
2	611111612314901
3	C444444F5041DG4
4	7000008036058C0
5	HCDCD8081086048
6	BG9G9F5FCFD950F