Battles for the Heartland is an upcoming game in LPD Games' Battles of the American Civil War series. According to LPD's website it, "Explores early war battles that shaped the Army of Tennessee: Mill Springs, Perryville & Stones' River. This bundle extends the BACW system by elaborating on command relationships and initiative, and by incorporating the effects of Acoustical Shadow. Mill Springs and Perryville are regimental level, Stones' River brigade level."