This DLC requires that you have Civilization V already installed.

The Korea Civilization and Scenario Pack brings you both the Korea Civilization and the new Scenario: The Samurai Invasion of Korea, to further enhance your Civilization V experience. Rule the world as Sejong, King of the Choson Dynasty, with your invincible Turtle Ships and Hwach’a artillery!

Scenario Description
The great warlord Toyotomi Hideyoshi has unified Japan. To keep his Samurai busy, his eye now turns west to Korea. Will he be able to expand his empire? Or will Korea's Chinese allies arrive in time? Play as one of four Civilizations: Korea, China, Manchuria, or Japan.

Sejong the Great (1397-1450 AD)
The fourth king of the Choson Dynasty of Korea, and considered by many to be the greatest king in Korean history. His reign was marked by his deep care for his people’s welfare and his encouragement of sciences and technology. He is credited with the creation of the Korean written language.