Stack Animals is a simple but challenging puzzle game that you can play for free here at Y8.com! The player is given several frames containing colored animals. The task is to arrange the animal layers so that each spool contains only one type of color. Each tube will contain layers of different colors. Players can only move each layer from one frame to another as long as the receiving frame is empty and has a ball of the same color on top. The goal is to classify all animal classes so that each frame contains all the same color. Enjoy playing this stack puzzle game here at Y8.com!