Patton's 1944 Summer offensive in France, in Strategy & Tactics magazine #65, (December 1977).From the introduction: Cobra is a regimental/divisional scale simulation of the allied break-out from the Normandy peninsula in the summer of 1944, which culminated in the encirclement of some 160,000 German troops in the 'Falaise Pocket.' Each game-turn is equivalent to three days of real time, and each hex represents a distance (across) of 3.2 kilometers.Cobra was newly published by Six Angles in 2007 (as part of their SPI retrospective). Six Angles Ver. is SPI, not TSR. Six Angles Ver. is New Map and New Units. Six Angles Ver. is included Mini Game. Mini Game is a game that treats the Normandy landing operation (1944/6/6-1944/6/12). - BoardGameGeek