3. digital cards

We are looking for people that want to join our team and become responsible for the creation and maintenance of modules for the platform/software of their own choice. Contact us. Gaia is free to play both online and offline, as well as with paper cards. In order to play online you need to have [...]

Yes, you may play the game on closed source software while the game is distributed as a module for that software and the game still remains clearly open source under the GPL and the terms of the GPL are met. This is no different from using GPL files on for example Microsoft Windows (closed software) inside [...]