<cat>gettingstarted</cat> <title>Frequently Asked Questions</title> ## Can I use Client + Server at the same time? Yes, this is pretty common. if using Steam P2P with Relay you cant connect yourself to server. Yes, this is pretty common. Carefull!! if using Steam P2P with Relay you cant connect yourself to server. ## Do I need a steam_appid.txt file? No - we've evolved past that now.