1. Click "See Inside" and delete the sprite on the left and put your object oc on the left side. 2. You can also delete the sprite on the right, but only the costume. 3. Your character must be an object. 4. No bitmap images. 5. Change the project title if you want. 6. Oh yeah, and also no logos.
This is the sequel to this, but it closed (you can look at the remixes of this projects: https://scratch.mit.edu/projects/239477507/
