However, the game has a lot more to offer outside of its single-player campaign. There are a total of 12 missions or chapters in CoD WW2’s campaign as well, listed below: CoD WW2 is also a little more challenging than past games in the series because of several factors like missing health regen and ammo shortage, so your completion time may vary. While playing on Regular difficulty, we found that the campaign took us around seven to eight hours to play it to completion, though you might have a harder time on Veteran difficulty. While the single-player story campaign isn’t the focus of CoD WW2, you might still be curious to know how long it’ll take you to beat it. How Long CoD WW2 Is and How Many Missions There Are