Steam's 4X strategy game champion goes free, but just for a few days

When it comes to 4X strategy games, Civilization 6 is the undisputed king of the castle. While there's a lot of fantastic options out there, such as Age of Wonders 4, Endless Legend, and the newly released Solium Infernum, Civ 6 remains a must-play for pretty much any strategy fan with a PC to hand. The good news is that the all-conquering Firaxis game is currently available to play as a free Steam game for the weekend, including both of its expansions, and it's yours at a massive discount in a Steam sale if you enjoy yourself.

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