"I also have "kill zones". I fortify a unit on a mountain and the AI spends dozens of units trying to take it out. It can keep the AI busy for centuries." Vlad...
Yeah, once i was playing on a map of Europe, and i made a few fortifications in the Pyrenees to contain Spanish advancement and expansion. My defence was 3 phalanx + i had 2 catapults to take out any units that came close to the fortifications. I built Leo's Workshop, and as the years went by, the same phalanx got upgraded to pikemen, to musketeers, to riflemen, the catapult to cannon, to artillery. They stood there from 1600 BC to 1923 AD. Smart AI, no?
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"Anyone can win, unless there happens to be another entry."
- George Ade