Hearts of Iron IV Free Weekend

As part of a Paradox Interactive publisher weekend everyone is entitled to play Hearts of Iron IV for free for the next couple of days on Steam. This Windows, macOS, and Linux World War II strategy game is also on sale for 75% off, and if you buy it after the free period, all progress will carry over, so you won't have to invade Poland again or anything. Here's more on your chance to spend some time with the greatest generation:
Victory is at your fingertips! Your ability to lead your nation is your supreme weapon, the strategy game Hearts of Iron IV lets you take command of any nation in World War II; the most engaging conflict in world history.

From the heart of the battlefield to the command center, you will guide your nation to glory and wage war, negotiate or invade. You hold the power to tip the very balance of WWII. It is time to show your ability as the greatest military leader in the world. Will you relive or change history? Will you change the fate of the world by achieving victory at all costs?