Concordia: Britannia Expansion offers a double-sided expansion map for Concordia and Concordia: Venus.

The Britannia map gives players a more concentrated area of play with only 23 cities in 10 provinces. The players begin in London and Boulogne and expand the area of Britannia from the south.

The Germania map gives players more flexibility of areas with 30 cities in 12 provinces. It also has castles, different starting positions, and sea colonists. These options offer players exciting new ways to play this great game.