Here is the full list of all 9 Christmas Night achievements.
hang the note on the tree
you played all the instruments
You have become the true master of darkness!
You have irritated Santa Claus by turning on the light!
You have collected all the Nutcrackers
You found all the firewood and burned them in the fireplace.
Read the news article about the killer who dressed up as Santa Claus.
You have discovered the unique toy given by Santa Claus.
Be more careful next New Year's Eve