And yet, is it possible to overlay one title on another?
I'm not sure if it's still possible with the current version of bitsy but here is how I used to do it: https://le-onionboi.itch.io/manster-mansion/devlog/61413/how-this-hot-mess-was-m...
there's also https://janosc.itch.io/rgbitsy which used to help with it!