Stronghold HD and Stronghold Crusader HD Released on Steam

Both updates are free for owners of the Stronghold Collection
Stronghold HD and Stronghold Crusader HD are now available for purchase on Steam and are free of charge for Stronghold Collection owners, Firefly Studios announced. Players who do not own the Stronghold Collection can earn themselves 30% off and a free Stronghold Kingdoms Starter Pack by purchasing either game before October 28th.