FREE: The Santa Challenge steam key

The listing, The Santa Challenge steam key has ended.

Welcome to the magical period of Christmas where Santa will brings you on an adventure to verify if everything is ready in the human world for the festivities that will arrive the 24th !

The Santa Challenge is:
Thirty hard puzzles with Christmas/Winter theme.
Performance: Gold / Silver / Bronze medals
Try to finish every puzzle in less than 4 minutes to earn the gold medal but no time limit if you don't want to.
Possibility to hide/show the pitcture and/or the grid to make the challenge harder!
Gallery: Admire the puzzles you completed and download the wallpaper for your computer desktop.
Auto-save: everything is saved at any moment. You can stop a puzzle when you want and restart it the day after with the same progression.
Nice and energetic Christmas music
Steam achievements.
https://store.steampowered.com/app/1197360/The_Santa_Challenge/