Medieval Trilogy contains 3 full games:
Tortuga:
Pirates at Large- experience the world of Tortuga, either as a buccaneer in the service of His Majesty the King, or as a feared loathsome pirate. Your riches will increase beyond your wildest dreams through successful theft, plundering and looting of ships, towns and completion of missions.
Knights of Honor:
In Knights of Honor lead your armies into battle and build your empire with the help of your powerful knights. Your knights are the most important element of the game and with them you will fight wars, manage provinces and secure trade agreements with the other rulers.
Patrician III:
Patrician III places you in the late medieval period of the Northern Europe, as the Hanse begins to grow. Will you succeed in your career, starting as a small trader and rising to an influential Patrician? Will your fame help you rise to governor, or leader of the Hanse?