Hearthlands for Mac is a real-time strategy game in which you take a role of a king in your own medieval/fantasy realm. You can not control your subjects directly. Instead you focus on city-building, resource management, diplomacy, heroes, magic and other things a typical king deals with on a daily basis. The world of the game, maps, characters and opponents are procedurally generated.
Hearthlands is very flexible: you can build up a powerful realm and rule the lands with an iron grip, or establish a humble fishermen's village. Or create a trading empire. Or found a small, bur well-defended outpost or raider's camp. Or become a host of a wizard's manor.