I do like the ideas, I will in the near future make so they need to make a post every xx hours or have it so each game requires xx amount of posts before you can play it.
But, at the same time, they can’t just be spamming the forum to get it. If that happens (so far, so good), I wouldn’t hesitate to either delete the posts or change the post count. Since we have the Reputation points, we could also make that part of the equation too. Either as extra time or a multiplier for time.
Maybe separate active and non-active people. The non-active ones wouldn’T have the right to play and new members would have to make a certain amount of posts before becoming active.