Before you free online games colored blocks, and you probably know how to play them. Each toy has its own rules, but to understand them easily. Sometimes you have to shoot down one color group by sending them a ball that bounces off the moving platform. Hit the target, it destroys them. On another occasion, have drag and drop objects to build a chain of them, and then they too will disappear. Interesting puzzle offers drag and drop the blocks inside a closed square, to get them through a single opening. These and other versions are presented free of charge.