What was the #1 selling game on Steam by revenue in 2016?

Sid Meier's Civilization VI was the top-selling game on Steam in 2016 by revenue due to a combination of factors. Firstly, Civilization VI is the latest installment in a highly acclaimed and popular franchise, known for its deep strategy, addictive gameplay, and extensive replayability. The game offers a rich and immersive experience, allowing players to build and expand their own civilization throughout history. Additionally, the developers, Firaxis Games, made significant improvements and added new features, which appealed to both long-time fans and newcomers to the series. The positive reviews, extensive marketing, and word-of-mouth recommendations further contributed to the game's success, ultimately making it the best-selling game on Steam for 2016.