Here is the full list of all 26 Christmas Puzzle achievements.
All levels complete
Complete episode 4
Complete episode 3
Install the bushes illuminations
Illuminate the pathway
Complete episode 2
Put some presents under the fur-tree
Install the fur-tree illumination
Earn 3 stars for every level.
Earn 500 Santavo coins
Decorate the fur-tree
Complete episode 1
Add more forest illuminations
Earn 250 Santavo coins.
Score 10000 in a single level
Illuminate the forest
Score 50000!
Fire 10 rockets!
Explode 25 bombs!
Buy the illuminations for house.
Make a snowman
Earn 100 Santavo coins.
Decorate the house.
Clean the pathway!
Buy clothes for the snowman
Prepare you mansion for Christmas