Press M to mute the music. This is something I designed to make it so you can make your own fakemon. You will need to gather the images of your fakemon yourself, so get creative. In order to save your creation, remix the project, save a screenshot of the project, and also make sure to delete the scripts which set the variables to their defaults.
Serebii for all the images I used. Code is all done by me. This is not the easiest thing to follow