- Germany: Defeated barbarians surrender instead of dying. (replaces old trait)
- Germany: Captured Ancient/Classical era barbarian units upgrade to Landsknecht.
- Arabia: Double movement speed in Desert.
- Arabia: Removed double oil supply.
- Desert and Snow cost 2.
- Added the Barbarians! mod (by Mentos) to TBC.
- Added the Ship of the Line for all leaders, a Renaissance “battleship.”
- Rebalanced all ship strength and movement values.
- Naval upgrade paths redesigned:
- Trireme → Caravel → Frigate → Destroyer
- SotL → Ironclad → Battleship → Missile Cruiser
- Increased high-end building maintenance costs.