Hoop Stack is a free game developed by Bigger Games Ltd. available on the iPhone platform. It is a colorful and addictive game that will keep you hooked for hours. The game consists of sorting colorful hoops, providing a mental challenge as you stack them. With easy-to-play mechanics and hard-to-master gameplay, it is perfect for those who enjoy puzzle games.

The game features unlimited levels, providing a never-ending challenge for players. Each level is filled with mind-juggling puzzles that require you to think, strategize and predict every move. Hoop Stack is everything you are looking for in a color stack puzzle game. With its vibrant colors and engaging gameplay, it is sure to provide hours of entertainment.