We have a game of invasion of France by the Allies and defense by the Germans. Both can play C (Calais) or N (Normandy). The following matrix shows the payoffs of each player in utility levels (more is better than less): Germans allies C N A C C 0 B D N 0 We also have the 1962 Missile Crisis where USSR could play W (withdraw) or M (hold), and the US had as strategies B (block) or A (attack). The following matrix shows the payoffs of each player in utility levels (more is better than less): USSR USA W M A B B 1 D A 1