Map Pack 1 DLC can be purchased to gain 9 new Maps to play. It contains Map 10a-10h and 11. There are new addditional settings to choose a map (depending on the game modus):
Choose a map from a random group of maps in-game
Assign a map to each player in your group in the matchmaker
Or let everyone choose freely which map they want to play in-game
Owning the base game of Castles of Burgundy is needed to play.
(c) by Digidiced 2023, Original board game "The Castles Of Burgundy" by Ravensburger