The Advent Pack Add-on for Coloring Pixels has 25 achievements.
Complete image 23 on the Advent book.
Complete image 12 on the Advent book.
Complete image 21 on the Advent book.
Complete image 8 on the Advent book.
Complete image 22 on the Advent book.
Complete image 2 on the Advent book.
Complete image 1 on the Advent book.
Complete image 20 on the Advent book.
Complete image 3 on the Advent book.
Complete image 15 on the Advent book.
Complete image 13 on the Advent book.
Complete image 19 on the Advent book.
Complete image 10 on the Advent book.
Complete image 18 on the Advent book.
Complete image 5 on the Advent book.
Complete image 16 on the Advent book.
Complete image 17 on the Advent book.
Complete image 7 on the Advent book.
Complete image 4 on the Advent book.
Complete image 11 on the Advent book.
Complete image 14 on the Advent book.
Complete image 9 on the Advent book.
Complete image 6 on the Advent book.
Complete image 24 on the Advent book.
Complete all images in the Advent book.