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!