Do this, once your empire reaches GOD status, (thats just my way of saying that everyone else has declared war upon you for being so big)switch it too AI, and the weakest AI to human. Now play.
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"We've made too many compromises already, too many retreats! They invade our space and we fall back -- they assimilate entire worlds and we fall back! Not again! The line must be drawn here -- this far, no further! And I will make them pay for what they've done!" -- Patric Stewart as Captain Picard
UCP/TCO Ship Yards