[BlueTemplar]

Steam Store ranking is a bit iffy (and you included DLC and bundles), SteamDB ranks Factorio as n=°2 (behind Portal 2) :

https://steamdb.info/stats/gameratings/

Also, the OP was talking about Mindustry, which, at 89% is in good position too !

https://steamdb.info/app/1127400/graphs/