Clicking on big cookies to make more cookies is what cookie clicker 2 is all about. Get cookies and use them to improve and unlock different buildings.
One of the main differences between Cookie Clicker 2 and its predecessor is that the gaming is now more robust and changing. There are a lot of new mechanics, upgrades, and special features in this version of the game that make it more difficult, but they haven't changed what made the original so famous.