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