Europa Universalis IV Mare Nostrum DLC Key

Mare Nostrum is the latest expansion of Paradox Development's best-selling historical strategy game, Europa Universalis IV.
You now have even more tools at your disposal as you guide your nation through the early modern world.

As its name suggests, Mare Nostrum introduces new systems related to naval warfare and trade control.
The power of your fleets will depend on the number of sailors your nation can muster, and your ships can now receive missions and patrol areas.

There are also new options for creating trade leagues, as well as a number of other improvements.