|Click on one of the concentric wheels, and without releasing, turn it. Let go of the mouse button when the wheel is correctly positioned.|
Turn the wheels until they make lines of the same coloured blocks.
Make the number of lines indicated in the centre of the wheels to validate a turn.
The feathered serpent is determined to destroy the world as we know it. Put an end to its vile plan by solving the riddle of the aztec calendar!