Multi -colored rings are located on the columns in Hoop Stack Color Ring. Your task is to sort and make sure that rings of the same color are located on the columns. Three rings are placed on each pillar. By click, take the selected ring and transfer it to the free place or to a ring of the same color. At new levels, the columns will become higher and four rings can already be placed on them. Subsequent levels will be more complicated, the range of colored rings will expand to Hoop Stack Color Ring.
