What it does in color switch is it shows you where you previously got to, like a visible high score marker
Maybe add a large enemy object into the death animation of the character that is invisible so when one character dies the other one also dies.
https://www.buildbox.com/forum/index.php?threads/star-rating-for-levels.5771/ Use the above ^^ and you can do a similar thing so make your custom...
Try using fewer objects and making them more transparent.
Separate names with a comma.
