Click the flag. Press space to make the cookie change color! Use the slider in the corner to change the size of the cookie. To erase your changes, press C, and everything will go back to normal. (From what I see, is looks best when it's small.) I've been blockshading desserts a lot lately, what would you want to see? (If you want a sprite or a background for a project, I'm more than willing to help!)
Thank you to @ChocolateFactory for some great tips! The color feature is just for fun. The scripts for it were REALLY simple, and it was pretty fun :-) The scripts for the mouse trail were made by elise129.