The Napoleonic 20 Expansion Kit includes these new, optional Expansion Kit component modules: 18 C'est la Guerre cards 12 Maneuver Matrix cards and the "approach to battle" system 8 Great Captains cards Chief-of-Staff system with new replacement Leader units ½ Morale Points system making this system realistically more granular Expanded Victory Conditions Strategic Pursuit system Hanau 20 is a smaller, more "introductory" in size, game of the Napoleonic 20 series, which sees the curtain fall on the campaigns of 1813 as Napoleon was withdrawing from his defeat at the great Battle of Leipzig a fortnight earlier. Although it was not a large battle, it was a vital one, as Napoleon suddenly found his retreat route back to France blocked by an unexpected, newly raised Allied force.