http://fireflyworlds.com/games/stronghold2/
Enjoy Steam multiplayer, visual enhancements, achievements, new maps and Steam Workshop support in this remaster of the highly anticipated sequel to the award-winning Stronghold. Free for existing Steam owners!
•Remastered for Steam – Steam multiplayer, Workshop, achievements, new maps, soundtrack and digital art book.
•Rule as You Desire – Rehabilitate or simply execute thieving peasants using everything from gibbets to gallows!
•Simulate Castle Life – Duel inside buildings, hold lavish banquets or build a war economy and lay siege to rival lords.
•Take the Crown – Gain Honour by title, strategy or force and dominate the new 'Kingmaker' skirmish mode.
•Craft Custom Maps – Create and share custom scenarios via Steam Workshop using the in-game map editor.
•Besiege Your Friends – Battle up to eight players online in Kingmaker and Deathmatch game modes.
I believe its on sale now on Steam for around 12 bucks or you get it for free if you already the Stronghold collection on Steam.