Klax

Furd Herder mini-game:
Enter Green Alien, Green Alien, Square, Green Alien as a password to unlock a Minesweeper-like mini-game.

Snake mini-game:
Enter Circle, Diamond, Square, Green Alien as a password.

View Klax history:
Enter Yellow Alien, Pillar, Pillar, Green Alien as a password.

View Klax myth:
Enter Square, Pillar, Diamond, Green Alien as a password.

View programmers:
Enter Green Alien, Green Alien, Circle, Square as a password.
Note: A Game Boy Printer is needed for this trick.

View credits:
Enter Pillar, Yellow Alien, Diamond, Diamond as a password.

Adventure mode (European version):
Enter Square, Yellow Alien, Green Alien, Yellow Alien as a password.

Lvl Password
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1   Yellow Alien, Pillar, Pillar, Circle
6   Circle, Yellow Alien, Square, Yellow Alien
11  Yellow Alien, Yellow Alien, Square, Green Alien
16  Diamond, Yellow Alien, Green Alien, Diamond
21  Diamond, Square, Diamond, Green Alien
26  Pillar, Yellow Alien, Square, Pillar
31  Green Alien, Circle, Pillar, Pillar
36  Circle, Circle, Yellow Alien, Yellow Alien
41  Pillar, Diamond, Diamond, Circle
46  Yellow Alien, Diamond, Circle, Pillar
51  Square, Diamond, Yellow Alien, Square
56  Pillar, Square, Square, Yellow Alien
61  Circle, Square, Circle, Green Alien
66  Circle, Diamond, Diamond, Green Alien
71  Circle, Square, Square, Pillar
76  Green Alien, Green Alien, Yellow Alien, Circle
81  Pillar, Circle, Circle, Pillar
86  Square, Green Alien, Diamond, Circle
91  Yellow Alien, Green Alien, Circle, Diamond
96  Pillar, Pillar, Green Alien, Square
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