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