Furthermore, if he is interested in the _intent_ of what he's doing (making games), the language (both coding, and spoken) should just come as a beneficial bypr

Furthermore, if he is interested in the _intent_ of what he's doing (making games), the language (both coding, and spoken) should just come as a beneficial byproduct. So I _really_ think you need to forget about the "It must be in French" requirement. He'll have to learn terminology anyway (loops, buffers, variables) etc. So, instead of calling your buffer variable `tampon`, call it `buffer`.