Bonuslevel:
Enter BL26 as a password.

Levelcodes:
9LKK     Level 2
5P9K     Level 3
6652     Level 4
BKK2     Level 5
2PLB     Level 6
6562     Level 7
L59B     Level 8
L59B     Level 9
BL26     Bonus

Codes by Felipe Gerhard - felipe.gerhard@gmx.net