Board Thread:Questions and Answers/@comment-142.112.154.165-20170508005022/@comment-10412586-20170508075707

Like what Su712 has already said, Six Guns Windows-version has been dead long since they stopped updating the ones on iOS & Android.

Looks to me Gameloft has abandoned Six Guns and has stopped developing it any further. So if you want to get the most out of it, play the iOS/Android version.