Features of Golden Century include:

• Minority Expulsion: Settle your distant colonies with homeland minorities, promoting greater cohesion at home, while adding more diversity to your subject nations.
• Establish Orders: Iberian nations can appoint Jesuit, Franciscan or Dominican clerics to govern their states to reduce unrest or ease conversion..
• New Mission Trees: New missions and objectives for the nations of Iberia and Northwest Africa, including Spain and Andalucia.
• Pirate Republics: Play as or combat against pirate nations in dangerous sea zones, with their own flavor and game style.
• Flagships: Appoint a Flagship to lead your navy, adding combat and trade power to your fleets.
• Naval Barrage: Use your ships to help besiege coastal forts by bombarding the walls.

Golden Century includes:

• New Iberian Army Units: 20 unique infantry units for Granada/Andalucia, Navarra, Leon/Galicia, Salé and Pirates.
• New Iberian Ship Models: 17 new ship models for the Iberian nations (Portugal, Spain, Aragon, Navarra, Galicia, Leon, Andalucia and Granada.)
• New Berber Ship Models: 17 new ship models for Berber nations (Morocco, Tlemcen, Algiers, Tunis, Fezzan, Mzab, Toggourt, Djerid, Tripoli, Tafilalt, Sus, Fez, Salé.)
• New Music: 10 to 12 minutes of original music inspired by the discovery of the New World.