In this turn-based strategy game, you will control the armies, research, production and diplomatic policy of either the Union or the Confederacy during a time of great innovation and dramatic battles. ...with a massive 296 x 224 map, covering all of North America from Canada and New Mexico to the Caribbean at a 15km/9mi scale. This is the largest hex-based map ever offered by the Strategic Command series, 6 campaigns covering the Civil War from first shot to last, new unit types, new technologies, riverine warfare, historical event popups, PBEM++ and much more...
He mentions/clarifies that the June 30 release date is for the Matrix/Slitherine store only; the game won't release on Steam & GOG until July 14.