Step 1. Click on a remix of this project, and then click on a remix of that, until you get to a project without remixes. Step 2. Remix that project Step 3. Add a costume to the levels sprite to add a new level. Step 4. Add other things if you want, such as enemies and coins, but you might have to code them yourself. If the player touches the "Spikes and such" sprite, he dies. Let's see how far this challenge goes.