You're confusing copyright with patents, and you cannot patent a game design. Well, you couldn't. I'm not sure about these days. In any case, this isn't a patent claim. It's a copyright claim, and copyright protects expression, not the idea.
That'll all become glaringly obvious when this is reinstated, because the copyright claim is bogus.
That'll all become glaringly obvious when this is reinstated, because the copyright claim is bogus.