While there are similarities between BGA and "free and open-sourced software," there are important legal distinctions.Usay Dress A H wrote: ↑16 September 2020, 02:46 And, the servers are free.
What about Carcarassonne or Marram?
Open-source software is software that is designed to be analyzed by independent programmers so that the best possible code can be achieved. BGA studio is available to anyone who creates an account. It is designed so that if one volunteer stops work on a project, another can work on it.
Although BGA does not impose a monetary cost on every user, this does not mean that the servers are free, with the implication that anything free can be freely duplicated. Playing games with no monetary cost is a service that BGA chooses to provide, funded by membership fees.
As far as the specific games in question: the same rule applies. Find a copy of the rules and the game. If the copyright symbol (©) appears anywhere, it requires the authorization of the copyright holder in order for the game to be duplicated.
I heard that China and most Asian countries do not have a cultural understanding of intellectual property rights. You might need to do some research on that (and the offshoot of "public domain" items) to better understand the situation.