Firefly Studios has announced that their castle-building MMO Stronghold Kingdoms has enjoyed being the third most popular free-to-play game on Steam in the past year, behind only Team Fortress 2 and PlanetSide 2.
The studio also revealed that it is working on some updates, including Captain Skills, which allows for arrow volleys, catapult barrages, among other perks, as well as new Strategy Cards, numerous gameplay tweaks sourced from the community, new worlds and support for more languages.
Stronghold Kingdoms was originally launched on the 28th February 2012 and currently has more than 1.5 million registered users.
