Crusader Kings II

Crusader Kings II is a grand stategy game set in the middle ages with a focus on the Crusades. Published on the 14th of Febuary in the year 2012 it's continued to have a strong lively player base with the most recent expansion (Holy Fury) set for release in 2018.

Gameplay
Players don't control a single character but rather a dynastic legacy of characters through generations from the year 1066 to 1453. There are no objects save to score the most points for one's dynasty with titles, good breeding, etc. As such success is solely up to the player- if the player has made if their personal goal to become Holy Roman Emperor and conquer Moorish Spain then so be it. The game provides numerous RPG elements to make each generation more interesting.

Expansions

 * Sword of islam - June 25, 2012 - allows players to play a Muslim ruler, adds story events related to Sunni and Shia Muslims, Islamic specific titles such as 'Bey' and 'Sultan'.
 * Sons of Abraham - November 18, 2013 - allows players to play as a Jewish ruler, enhances the simulation of Abrahamic faiths with Ramadon, Pass Over, etc; College of Cardinals, etc.
 * Charlemagne - October 14, 2014 - adds vice royalty, improvements to narrative gameplay, the ability to establish a custom Kingdom or Empire- so as to form the Holy Roman Empire with the new 769 start date.