Problems using Google Play Game Services
What can we help you with?
Have you published your project?
Does the project appear in the Google Play Developer Console when signed in with the primary email address for the Developer account?
Is the primary email address on the Developer account listed as an owner of the project in the Google Developers Console?
Are you using a Google Apps email address to sign in to the Google Play Developer Console?
Is the Google Play Developer Console and Google Developers Console enabled for your account?