Looks nice! I added the tag "Classic" to your creation as it seems to be for the Gamebuino Classic. Could you provide the link to the repo by any chance? :)
Sorry but I don’t know what it means. But I will at the link.
"Repo" is short for "Repository", so a place where all the code is, so that anybody can look at it however they please. e.g. a github link to the code
The code is in the source folder that comes with the game. And that includes the ino file, some png files, and the game