Move your cursor to make the cat move. The cat will make a ton of clones that will stay there. Press the space bar to reset the thing.
I used the book Coding Projects In Scratch 3.0 to help me make this project. The cloning will stop at a certain time because of Scratch's limitations with big numbers. https://scratch.mit.edu/projects/605607771 https://scratch.mit.edu/projects/599335965. are my two other original games.