The Crusader 2 is a real time strategy game that explores the period of history which is Medieval Europe that you will be able to strategy your gameplay by watching the Crusader Kings 2 walkthrough.

Some of the features that the game brings can be seen below:

Start a game in 1066 and forge 400 years of European history
Take on the role of a Christian noble and carry them through the ages from Count to Emperor via the line of succession
Gather Prestige for every successive character you play, furthering the glory of your dynasty
Expand your feudal domain at the expense of your rivals
Unravel the plots of your courtiers and vassals, each armed with their own agendas
Re-enact the Crusades, defend against the Mongol onslaught, and form feudal nation-states
Struggle with the Pope for control of the bishops
Relive the Middle Ages with up to 32 other players in a competitive multiplayer mode