The green circle will follow your mouse almost as fast as your mouse, with just a slight delay. The boss will attack your green circle. The red bar on top is your health. Don't let it deplete, or else you die. Your health regenerates very slowly but exponentially grows faster.
Thanks to swat officer for the original game concept. Swat officer please credit me if you use this code. If you like this, then try this: https://scratch.mit.edu/projects/1248738085/