(translation from back of the box:) PLAN BARABAROSSA is a wargame for 2 players which recreates, during game plays which can last 2 hours and more, the invasion of USSR by Wehrmacht [German] forces in 1941. For confirmed beginners, it is an excellent introduction to World war Two strategical wargames. (extract from rule book:) Each turn represents one month or two (winter turns only); total of 8 turns (July 1941 to April 1942).