Ring classification of many colors in which you need to create a stack using rings of different colors. Have fun creating stacks with hoops by playing this game for free! Challenge your brain. - Only one ring can be moved at a time. - Moves consist of taking the upper ring from one of the stacks and placing it on top of another stack. - Put rings of the same color on a stack. This is a completely new addictive game that is easy to play and hard to master with unlimited gameplay. Featured: - 2000 Puzzles and more to be added. - Lots of selection of ring types and backgrounds. - The game does not limit time and does not require a network connection. - Hoop Stack will keep you hooked for hours!