AI from that latest update can give a run for you money I optimized them for low AI bonuses, low tech start and one homeworld. I also recomend simultaneous movements, even for solo games. There is a SE bug that prevents AI to operate big sized cargo - like 1M population in proportions - in classic turn-based movement games.
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It is forbidden to kill; therefore all murderers are punished unless they kill in large numbers and to the sound of trumpets. - Voltaire