The Christmas Add-on for Pixel Puzzles Ultimate Jigsaw has 22 achievements.
Complete Pack: Christmas
Complete Puzzle: Holly
Complete Puzzle: Mince Pies
Complete Puzzle: Candle
Complete Puzzle: Cat In The Tree
Complete Puzzle: Presents
Complete Puzzle: Father Christmas
Complete Puzzle: Chocolate Santas
Complete Puzzle: Christmas Town
Complete Puzzle: Santa & Frosty
Complete Puzzle: Bauble
Complete Puzzle: Snowy Fence
Complete Puzzle: A Christmas Carol
Complete Puzzle: Plush Snowmen
Complete Puzzle: Nativity Scene
Complete Puzzle: Snow Angel
Complete Puzzle: Festive Decorations
Complete Puzzle: Christmas Tree
Complete Puzzle: Xmas Gifts
Complete Puzzle: Tree Ornaments
Complete Puzzle: Milk & Cookies
Complete Puzzle: Village