However, do note that this is not an open world game, nor is it sandbox-style. You can play this game alone, or as part of a multiplayer game, choosing almost any historical character you like. The game offers two start dates: 1936 or 1939, and you can proceed well beyond the end of the war, but anything after 1950 is more or less unplayable. Play through World War Two as often as you like, tweaking weightings and scenarios to see the different potential outcomes, or reworking history to see it play out in front of your eyes. Hearts of Iron IV for PC is the fourth in the series of the grand strategy war game. Includes Poland: United and Ready DLC, Forum Avatar and Wallpapers