The bigger underlying problem is that we associate those games with happy periods of our lives. The once where we could play games, do projects and not worry about anything else.<p>By playing an old school game, your brain extracts these happy feelings from the memory. However, it&#x27;s not a sustainable source  of &quot;fun&quot; per say. As opposed to the newer games where &quot;fun&quot; is being caused by the game directly.