Indie game storeFree gamesFun gamesHorror games
Game developmentAssetsComics

You should be able to drag and drop the exported json file on the UI to import it back to Petaporon.

To work with overlapped notes, you can hide instruments by right clicking the instrument selection buttons. I like the idea of multicolored notes, but I will have to do some tests to see if it's doable.

Great, thanks for the info!