Indeed A.I. looks stupid like in first Rome. And other things i dislike are the egyptian-cartoons style icons(really who desing them? - was the best you could do?) and the new look of control interface.
By the way why can't you use the ships after the troops go ashore? In the real life and history the ships have a crew different from combat troops, crew who could sail, fire, maneuver no matter what cargo they carry: rum, oil, soldiers or donuts. Is someone thinking that a cohort would be able to fight after it paddle half of mediteranean sea?
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