Here is the full list of all 13 Snowmania achievements.
You know your way around.
Christmas tree is safe.
Kitty needs to rest.
I like that.
Did you throw up?
Nightmares are gone.
Sensei would be proud.
You're fast like a superhero!
You've got some balls.
They didn't need it anyway.
Clear your mind. Enjoy the view.
Do you really deserve so many gifts?
Ezio did not kill civilians. So shouldn't you!