I don't remember my account information.

If you are using an iOS device, you will need a Game Center ID. And if you are using an Android device, you will need a Google Play ID.


<iOS>

We do not have access to your Game Center account information (which is managed entirely by Apple). Therefore, if you do not remember your account information, you must get help from Apple Support.

Apple Support


<Android>

We do not have access to your Google account information. Therefore, if you do not remember your account information, you must get help from Google Support.

Google Support