Victory in the West (1993)

10 May, 1940 ... The German Wehrmacht opened its long-awaited campaign in the West by smashing across the frontiers of Belgium and Holland. For the German High Command, it was seen as a daring move. Hitler's fledgling legions faced the combined armies of France, Britain, Belgium and the Netherlands. These Allied forces had more and better weapons of almost every type, and at least two of the opposing armies, those of France and Britain, were considered to be the best in the world. The Germans had the element of surprise and the new Blitzkrieg tactics of mobile warfare.
Six weeks later, it was all over. The British Expeditionary Force (BEF) had been driven from the continent and the French, Belgians, and Dutch had all capitulated. Hitler had achieved a victory in the west, and the world would never be the same.

Victory in the West is a realistic 2-player game that accurately recreates the 1940 German campaign vs France.

The game's centerpiece is an options system that lets the Allied player trade Victory Points for changes to his armies and policies that might (or might not) have changed history. Includes rules for exploitation, reaction, panic, overruns, blitzkrieg attacks, refugees and stragglers, bridgeheads and coup de main.