7 Days of Westerplatte theme is connected with the events of 1939. Although years have passed, many things concerning the defence of Westerplatte peninsula have not been explained. In the game, the players incorporate the roles of Polish officers with only one aim in mind- defend the Westerplatte peninsula for 7 days. 7 Days of Westerplatte is a cooperative game, which demands from the players to plan their moves and actions together.