Talvisota (Winter War) is a cooperative game for 2-4 players. The players are finnish commanders in one of the four frontlines, and they have to cooperate together in order to stop the Soviet advance. They gain points by eliminating the attacking forces or by assisting other commanders. The game ends after 8 rounds, and then the person with the most points is the winner. The game contains lots of cards, which feature historical persons, troops and equipment.