The Cadeau Kalender is a modernized take on the advent calenders we all know so well. McDonald's has utilized this concept very succesfully for a few years with deal's, prizes and a lot of give-a-ways.
For the 2019 edition McDonald's was looking for a way to stir up the App, just a little. Hence we came forth with an addition for the real McDonald's fans; The Hidden Cadeau Kalender.
By turning your device upside down, you would glitch into another world filled with puzzles, games and exclusive 'hidden' prizes. Only to be won on certain dates.