If Skype and Discord are just a touch too modern for you, you may want to try an older take on multiplayer gaming.
As Common Room Games Owner Phil Eskew tells us, as far back as the 1940s and 50s, people have been playing wargames with each other across state lines. All it takes is thorough notes and a sheet of stamps.
Don't forget to check out the full video on miniature wargaming.