And you constantly generate and register new patents to every game mechanic every your employee can think of. At the last levels you don't need to develop good games, you can develop with minimum effort just to claim your patents. Or if it possible - don't make anything at all, just lawsuits.

As it gets more difficult you have to divert more and more of your resources to hiring lobbyists and bribing judges, until you can barely even afford to make a game.