Ai a bit more aggressive.

Reworked Ai tech development and effects.

Better chance of AI unit upgrades. More active AI diplomacy with other AI factions.

Ai will be more aggressive.

Better Ai expansion and defending territory won.

Raised the costs of buildings and tech and unit and upkeep for the player. You will make money ...but spend it wisely.

Adjusted Ai aggression.

Lowered zone of control for land armies.