NVM today I saw they were rejected again... I have no idea why subscribe star keeps getting rejected by all my credit cards...
We hear about rejected cards often, it's really odd. Hopefully SubStar figures their stuff out soon.
You can still grab the latest SubStar version of the game at the same place with the same password if you have it in your browser history or written down somewhere! Sadly itchio doesn't seem to let me write private messages.