Unlock all levels:
On Easy difficulty:
X, Circle, X, Circle, X, Triangle
On Medium difficulty:
X, Square, Traingle, Traingle, X, Traingle
On Hard difficulty:
X, Circle, Square, Traingle, X, Traingle
Level passwords:
Level 01 - Triangle, Square, X, Circle, Circle, X
Level 02 - Triangle, Circle, X, Circle, Circle, Triangle
Level 05 - Triangle, X, X, Circle, Square, Square
Level 06 - Triangle, Triangle, X, Circle, Square, Circle
Level 07 - Square, Square, X, Circle, Square, X
Level 08 - Square, Circle, X, Circle, Square, Triangle
Level 09 - Square, X, X, Circle, Triangle, Square
Level 10 - Square, X, X, X, Triangle, Circle
Level 11 - Square, Triangle, X, X, Triangle, X
Level 12 - Circle, Square, X, X, Triangle, traingle
Level 13 - Circle, Circle, X, X, X, Square
Level 14 - Circle, X, X, X, X, Circle
Level 15 - Circle, Triangle, X, X, X, X