Each week, Apple selects an app and offers it as the App of the Week.

This week, the lucky one is our puzzle game Quetzalcoatl! It will be free (instead of $1.99) until May 21.


Quetzalcoatl is a very hard puzzle game that contains 180 handmade levels. The goal is to drag colored snakes to make them match with the colors of the grid underneath. The unpronounceable name Quetzalcoatl stands for the Feathered Serpent, the most important god in the Aztec mythology.

Last September, as part of the same Free App of the Week program, Bicolor was downloaded almost 2 million times in just one week.

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