neoncube an Italian course for English speakers could automatically be reversed and also be an English course for Italian speakers.
That's something I was thinking about, too! Also, there are polyglot-courses that cover a whole bunch of languages. This one for instance - it's EN-FR, but also sports Italian, Spanish, Portuguese and German translations:
https://mylittlewordland.com/course/25977
The quality of the course's content is medium to low (particularly German) and many translations are missing across the other languages, but in general it should be possible to just switch the language pair.
Another example is this one: EN-NL, but it also has German translations for every single item (the quality being good to very good):
https://mylittlewordland.com/course/46553