-4 new playable factions (greece, seleucids, egypt and pergamon)
-The new units created permit to attack greek free cities (such as Massilia and Syracusae) + some neutrals in Egypt and Lybia. These cities are "neutral hostile" owned so you can attack them right away
-The assets for getting access to ressources are done (except the +1armor and +1attack with fur and iron)
-The Info(F10) tab with a lot of information (basic/advanced/commands) was made
-Capitals are now changed when it is seized (your most populous city becomes the new one; it is were your armies respawn)
-Disembarking from a boat now cuts your army "stamina" by half
-The future position of your units are now displayed on the ground when moving your regiments
-You can now order your regiments to attack to attack an other one with right clicking : a melee regiment will be order to attack/move at the regiment position while range soldiers will be ordered to attack a random unit of the targeted regiment
-New battle formations : Testudo, Shield Wall, Hoplite and Phalanx. it will slow the units down but give buffs and tighten the ranks.
-You can no longer Embark garrisoned Armies (yes, that was a thing...)
-Many new tooltips
-Now happiness reduces (up to -40% at -100) or increases (up to +20% at +100) your income in a province
-Culture affects happiness (-1 per 10% below 100% for your primary culture)
-Many "minor" (or boring ^^) changes on Battlefields, Cities, Armies, Battles, Units, Provinces, Visibility etc...etc... I cannot remember everything
