1) Everyday German military term 2) Familiar German military term 3) German military term 
Kriegsspiel (often spelled Kriegspiel in English) is a German word for `wargame`. It may mean: ...[wargame] Kriegsspiel (lit: `war play`), from the German word for wargame, was a system used for training officers in the Prussian army. The first set of rules was created in 1812 and named Instructions for the Representation of Tactical Maneuvers under the Guise of a Wargame. It was originally produced and developed further by Lieutenant G...
• (n.) A game of war, played for practice, on maps.
Kriegs'spiel` noun [ G., from krieg war + spiel play.] A game of war, played for practice, on maps. Farrow.