Basic war-game rules on different topics: English civil war Marlborough's Wars Napoleonic Warfare American Civil War Mechanized Warfare 18th century naval Warfare Modern Naval Warfare Air warfare 1914-1918 Diceless rules thus movement, morale and combat results are predictable. Morale effects are mostly dependent on casualties taken and when challenged, certain reactions will occur. A low-morale unit that has taken a fair number of casualties that is charged by double their number will always retreat, for example.