Crusader Kings II (Collection) includes pretty much everything that has been released to Crusader Kings II strategy game. Buy Collection Edition to complete your Crusader Kings II experience! Every expansion, DLC, content pack, and add-on featured in the Crusader Kings II (Collection) goes as follow:  Crusader Kings II base game, Crusader Kings II: African Portraits, Crusader Kings II: African Unit Pack, Crusader Kings II: Byzantine Unit Pack, Crusader Kings II: Celtic Portraits, Crusader Kings II: Celtic Unit Pack, Crusader Kings II: Customization Pack, Crusader Kings II: Dynasty Shield II, Crusader Kings II: Dynasty Shield III, Crusader Kings II: Dynasty Shields, Crusader Kings II: Europa Universalis IV Converter, Crusader Kings II: Finno-Ugric Unit Pack, Crusader Kings II: Hymns of Abraham, Crusader Kings II: Hymns to the Old Gods, Crusader Kings II: Legacy of Rome, Crusader Kings II: Mediterranean Portraits, Crusader Kings II: Military Orders Unit Pack, Crusader K