UPDATE: Tho Nguyen is the winner!
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Eliot here with another Steam key from my Humble Bundle library that I need to get rid of because I already own the game. Hearts of Iron IV is a grand strategy game from Paradox Interactive that lets you change the course of World War 2 by playing as one of the core combatants, or just as some random country anywhere on earth. If you're a history buff and fan of games like Europa Universalis, Crusader Kings, or Civilization, this is probably right up your alley.
If you're interested, leave a comment below and I'll choose a random winner tomorrow!