Host a game by selecting “Act As Server.” Provide your IP address to your friends that will join you in the game so that they can connect with your PC.Select the “Netplay” dropdown menu located at the top of the screen.Here is what you should do to set up Netplay: It is one of the worst methods for playing SNES games online. Keep in mind that the smallest lag can create significant issues for online gaming because the feature is mostly used for LAN gaming. You can set up Netplay on SNES9x in a few simple steps.