You can use your religious agents to increase your religion in your territories or send them into opponents' territories to cause civil unrest there. Religion is spread by agent units called Priests for Christian factions or Imams for Muslim factions. Only Catholicism, Islam, and Orthodox Christianity are playable in Medieval II. Your religion helps determine your relations with other factions as well as the public order in your territories. Your religion is dictated by the faction you choose to play as, you cannot change your religion.

There are five religions in Medieval II: Catholicism, Islam, Orthodox Christianity, Heretic, and Pagan. The battles are played as a real-time tactical battles that can be fought in either the campaign mode, user-created scenarios, various historical conflicts and also through multiplayer. A short campaign that requires the player to defeat certain factions and holding 15 cities. The game consists of two main modes of play The campaign mode, an overarching single-player campaign (viewed through an overhead map of the known world), it consists of a long campaign which requires you to control a designated city and 50 other cities. You can unlock a faction by destroying it on the Campaign map or you can unlock all the playable factions by beating the Grand Campaign. Initially, there are only five playable factions: England, France, Spain, The Holy Roman Empire, and Venice. The timeline of the game stretches from the middle of William IвЂ™s reign (1080 AD) until the middle of the 16 Century (1530 AD), encompassing the discovery and subsequent conquest of the New World. Like its predecessor, the game combines turn-based strategy and real-time tactical elements, including a mixture of European medieval economic, military and religious gameplay aspects, with an overall goal of ending the game with the largest, wealthiest and most successful empire. Medieval II: Total War is the second medieval-era based strategy game in the Total War franchise from The Creative Assembly, and is the indirect sequel to the original Medieval: Total War.

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