About Cookie Clicker Unblocked 66 Cookie Clicker Unblocked 66 is a web-based game that is a variation of the popular incremental idle game called Cookie Clicker. In Cookie Clicker, players aim to bake as many cookies as possible by clicking on a large cookie icon on the screen. Every click generates a certain number of cookies, and players can use these cookies to purchase upgrades, buildings, and other items that automate or