Borders of Blood: Wargaming the Paraguayan War 1864 -1870

Fronteiras de Sangue / Borders of Blood is a system of wargame rules focused on the greatest war in the history of South America, the War of Paraguay, or War of the Triple Alliance, or, still, Guasú War (Great War).

The confrontation was fought between Paraguay and the Triple Alliance, composed of Brazil, Argentina, and Uruguay, and extended from December 1864 to March 1870.

Features:

Battalion level rules for 6 to 28mm minis
Action dice to randomize number of actions that troops can take each turn
Action card to randomize events each turn
original combat system
army list (including generals) for the 4 belligerents
2 scenarios