Post Scriptum is described as 'WW2 simulation game, focusing on historical accuracy, large scale battles, a difficult learning curve and an intense need for cohesion, communication and teamwork' and is a first-person shooter in the games category. There are more than 25 games similar to Post Scriptum for a variety of platforms, including Windows, Mac, Linux, Steam and Playstation apps. The best Post Scriptum alternative is Call of Duty. It's not free, so if you're looking for a free alternative, you could try AssaultCube or Garena Free Fire. Other Post Scriptum like games are Battlefield, Escape From Tarkov, Halo and Arma.