Steam Community :: Guide :: Official Multiplayer Guide
Review: Stronghold 3 Gold | TheGameGuru.Me
How to play Stronghold Crusader in Multiplayer Mode (Stronghold: Crusader > Tutorials)
Firefly Studios - New Stronghold HD Patches We have just released a new free patch for Stronghold, Stronghold Crusader and Crusader Extreme, making full Polish language support and new bug fixes available
How to play Stronghold Crusader Multiplayer (Easiest way) - In Depth w/ Commentary - YouTube