Hoop Stack Puzzle - Sort Color

About Game ------------ Color Hoop Stack is 3D sorting puzzle game. Highly addictive game for fun! 1600+ levels. Sorting the 3D ring in stack with same color ring. How to play ? -------------- Pick a ring and put on stack which contain same color ring on the top, or empty tube. Each stack contain Maximum 3 to 6 rings. When all the rings match with same color rings level done. You can undo the ste…