Cookie Clicker (ad-less)

Cookie Clicker (ad-less) is one of the most famous games in the world, giving rise to a whole genre of similar games for all platforms. The concept is simple and clear - click on cookies endlessly to earn even more points and numbers. But the game is so addictive that you may only remember your plans after a couple of hours. Now this game is also ad-free, so you don't need to close pop-ups and can focus on clicking cookies.