Never Call Retreat - The First Day at Gettysburg, July 1,1863. This game re-creates the first day's action between the Northern forces of the Army of the Potomac and the Southern forces of the Army of Northern Virginia during their classic three day confrontation at Gettysburg. Published in The Wargamer Magazine issue 25. Boxed Edition Component List: 1 Box 2 Counter Sheets 1 Die 2 Board Sections 1 8-Page Rulebook