Thanks for Playing and enjoying.
That's weird with the Firewall, since the Game not have something implemented, that connects to the Internet. Mhh maybe its the "Easy Save" Asset is has a Cloud Feature Integrated.
We wanted to make it as Web Version available but it exceeds the File Limit of 1 GB by just 100 MB but today Itchio increased our Upload Limit so we probably gonna upload a Web Version with the next Update as well.