The Halloween Add-on for Coloring Game 4 has 15 achievements.
Complete image 1 on Halloween
Complete image 2 on Halloween
Complete image 3 on Halloween
Complete image 4 on Halloween
Complete image 5 on Halloween
Complete image 6 on Halloween
Complete image 7 on Halloween
Complete image 8 on Halloween
Complete image 9 on Halloween
Complete image 10 on Halloween
Complete image 11 on Halloween
Complete image 12 on Halloween
Complete image 13 on Halloween
Complete image 14 on Halloween
Complete image 15 on Halloween