We are working on the physical edition and creating new background and an introduction of the Sphere! It will be published late this year, and i think this old version will not be available ever.
If you want to buy the old pdf you can email me: en.gheller@gmail.com
Hi forrest At the moment I published only the Italian version of the game... My publisher is working on the english localization, but i think it will be done by 2024.