Tools like Parsec or are now often preferred over Hamachi. They allow one player to host the game locally while the other "streams" the video and sends controller inputs, effectively simulating local couch co-op over the internet. PES 2013: How to Play Online - (PES 2013 Play Online)

: If the game does not "see" the Hamachi connection, a common fix is to disable your primary internet adapter in Windows, launch the game to reach the network menu, and then re-enable the internet adapter while the game is still running. 4. Hosting and Joining a Match

You share your Hamachi IPv4 address over Skype (or MSN Messenger, if you were a purist). The loader crashes. "Did you run as admin?" you ask. "Did you turn off your firewall?" your friend replies. You restart the router. You curse the "33golkesl" tag because you downloaded the wrong version—you have the "Reloaded" crack; they have the "Skidrow" crack. They don't match.