Campaign:
- More aggressive AI
- Better defending AI
- Better AI expansion and invasion
- Stronger alliances
- Rarer Catholic - Islamic alliances
*Battle:
- Increased flanking
- Better path finding
- Better Siege AI

Improved and challenging AI Armies

*- AI now uses unit priorities to build their armies
- AI is forced to make better mix of Infantry, Missiles, Cavalry and Artillery.
- AI produces more Elite and Heavy units.

New buildings

*- New education structures: Schools, libraries and universities
*- Medieval Wonders can now be constructed in important medieval cities: Dome of Rock (Jerusalem), Church of the Holy Sepulchre (Jerusalem), Cordoba Mosque (Cordoba), Kaaba (Mecca), Notre Dame (Paris), St. Marks Basilica (Venice), Hagia Sophia (Constantinople), Great Aqueduct (Constantinople)
- Other buildings: highways, Hanseatic League and pagan shrines.


Role Play Elements

*- Completely reworked military and economical education, based on the inclination towards Military or Administrative skills, the quality of schools, libraries and universities and of course skills you show in battle.
*- Different titles for Greek, Catholic and Islamic culture for every settlement. The effects and descriptions are often based on historical backgrounds.
*- Crowns for faction leaders that have conquered historical biggest empires
*- Royal Bloodlines for all existing factions
- Army attrition and supply system demands much more tactical decisions and religion is much more important. Watch and take care of your general and the moral and supply of his army!
*- Most ancillaries are now transferable from one character to another
*- Countless new Traits, Transferable Titles, Ancillaries
*- Several boosts for the AI to get better characters
- Unique Traits and Ancillaries for the Teutonic Order and the Knights Templar
- New Patriarch titles for Orthodox Factions available
- Many broken Character Traits and Ancillaries fixed
- and much more...