Strategy game "Sid Meier's Civilization 6" is just around the corner, and Firaxis Games is hyping players up with a steady stream of updates leading to the release date.

Among the latest civilzations to be introduced in the game is the Kingdom of Kongo, led by King Alfonso I, also known as Mvemba a Nzinga. According to PC Games N, Nzinga is known for attempting to spread Christianity across his empire.

The introduction of the Kongos is a huge change from the previous "Civilization" games, wherein the the Zulu is the main representation of sub-Saharan Africa, according to iDigitalTimes.

The Kongo civilization gets bonus food, production and gold from Great Works of Sculpture, Relics and Artefacts. The civilization can also generate Great Merchants and Great Artists twice as fast compared to other civilizations.

Kongo's gameplay style is also quite different from the Zulu's military-oriented rush. According to iDigitalTimes, Kongo is meant to be versatile: they can either focus on military rush with its unique unit Ngao Mbeba, or on culture and on other civilization's religion to grow.

Here are all the civilizations we know so far:

America

England

Japan

Egypt

China

Aztec

France

Brazil

Scythia

Germany

Spain

India

Kongo

Norway

In other news, The Entertainment Software Rating Board, or ESRB, has recently released its rating for "Sid Meier's Civilization 6," giving the fans a brief overview of what to expect in the game.

The ESRB has given the strategy game a rating of E for everyone over the age of 10, Attack of the Fanboy reported. According to the ESRB page, the game also has drug reference, language, mild violence and suggestive themes.

The full ESRB rating summary can be found here.

The limited "Sid Meier's Civilization 6" 25th Anniversary Edition is already sold out on both the 2K Store and Amazon, which means that 2K has successfully sold all 200,000 copies of the special bundle.

"Sid Meier's Civilization VI" will be launched on the PC on October 21.