how to make ur character: just change the costumes in the sprite called Character. u can make it as an opponent, or a player, based on is it facing right (opponent), or facing left (the player). SCROLL DOWN how to change the music: go to the sprite called Character, go to Sounds, u might see a soundtrack called CHANGE THIS SONG, so do what the name says and import a song from ur device, and then copy the song (the song u imported) and paste it on CHANGE THIS SONG!
remix this project to make ur own character wasd and arrow keys!