android - Achievements not showing in Google Play Games App - Stack Overflow

We implemented the Google Play achievements for our Android game according to the official google development documentation, but there seems to be something off, as we notice the following strange

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android - Displaying Google Play Achievements - Stack Overflow

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android - Achievements not showing in Google Play Games App

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android - Achievements in Google Play Games is not working - Stack

android - Displaying Google Play Achievements - Stack Overflow

Does anyone know what this means : r/deadcells

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