Google Play Games may be discontinued soon. Google is adding its features to the Play Store. There is no clarity as to when Google will retire the app. Google is infamous for killing its products relatively quickly,

It wouldn't be Google without the company killing a product. This time around, it's an app that most of you likely don't even really use - Google Play

Google is quietly building key features of its Play Games app, which lets you track achievements on Android games, directly into the Play Store, Android Police reports — signaling plans that the former may be headed for the infamous Google Graveyard.