This expansion contains two additional maps - Aegyptus and Creta that add variety and new challenges to the game:

Aegyptus is a 22 City, 10 Province map that introduces trade routes that may be occupied by more than one Colonist, a flood mechanic that increases food yields, and additional trade for francincense and gold.
Creta is a small 20 City, 9 Province map that introduces a variable production 1 City Province.

Take this golden opportunity to beat new challenges in Concordia today!