The above article estimates the PC gaming industry sold around 32.3 billion in 2017, although from [0]:
> If you throw out revenue for packaged retail titles and browser games, that leaves the dedicated digital PC game business with a total value of $23.9 billion – and that number includes DLC, which the Steam estimate does not.
> If the numbers are right, that means Valve own at least 18% of their specific market
This is by no means exact, but 18% for PC gaming is huge and, given that these are global numbers, probably doesn't account for the PC games market in China.
The above article estimates the PC gaming industry sold around 32.3 billion in 2017, although from [0]:
> If you throw out revenue for packaged retail titles and browser games, that leaves the dedicated digital PC game business with a total value of $23.9 billion – and that number includes DLC, which the Steam estimate does not.
> If the numbers are right, that means Valve own at least 18% of their specific market
This is by no means exact, but 18% for PC gaming is huge and, given that these are global numbers, probably doesn't account for the PC games market in China.
0: https://www.pcgamesn.com/steam-revenue-2017
1: https://galyonk.in/steam-in-2017-129c0e6be260