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This document covers how to use the Google Play Console to set upGoogle Play games services for your Android or web-based game. TheGoogle Play Console provides a centralized place for you tomanage game services and configure metadata for authorizing and authenticatingyour game.

To add your game to the Google Play Console, follow these general steps:

• Create an entry for your game and specify detailssuch as the name and description of the game.
• In order for your game to access Google APIs, youmust provide the necessary credentials to authorize and authenticateyour game.
• Once your game entry is created, link it to Android and web versions ofyour game, so that players on these platforms see the same game details andshare the same Google Play games services configurations.

These steps are covered in more detail in the sections below.

Step 1. Sign in to the Google Play Console

To sign in, go theGoogle Play Console.If you haven't registered for the Google Play Console before, you will be promptedto do so.

Step 2. Add your game to the Google Play Console

To add your game, follow these steps:

1. Open the Game Services page, selectthe Google Play games services tab on the left, then click the Add New Game button.

2. Specify if the game you are adding already uses Google APIs.

   • If this is a game you are creating from scratch, or you have never set up Google APIs for it previously, stay on the I don't use any Google APIs in my game yet tab. Enter your game's name and assign it a category, and then click the Continue button.
   • If this is a game for which you have already set up one or more Google APIs, select theI already use Google APIs in my game tab. You will see a list of projects from the Google API Console for which you are listed as a developer. Select your project from this list, assign the game a category, then click the Continue button.

3. In the Game Details form, add the description, category, and graphicassets for your game.

   • Only the display name is required for testing. The otherfields must be filled out before you can publish your game.
   • The display name and description foryour game should be generic enough to apply across all versions of your game that share thesame Google Play games services.
   • For guidelines on creating the graphic assets, see theGoogle Play for Developers guide and theGoogle Play Featured-Image Guidelines.
4. Click Save to create a new entry for your game in theGoogle Play Console. A corresponding entry in theGoogle API Console is also created for you.

Step 3. Generate an OAuth 2.0 client ID

Your game must have an OAuth 2.0 client ID in order to be authenticated andauthorized to call the Google Play games services. To set up the association between a client IDand your game, use the Google Play Console to generate the client ID and link it to your game.

To generate an OAuth 2.0 client ID for your game, follow these steps:

a. Create a linked application

To link your game to a Google API Console project, open the Linkedapps page, and then follow the instructions specific to your platform.

Android

1. Click the Android button.
2. The application name may be shown to your players, so specify a namethat closely matches the name of your actual Android game.
3. Add the application's package name.
4. To use Google Play games services' real-timeor turn-basedmultiplayer support, enable the appropriate multiplayer settings.
5. Select whether or not to turn on Anti-Piracy.
6. Click Save and continue, then follow the steps in theCreate a client ID section below.

Web

1. Click the Web button.
2. The application name may be shown to your players, so specify a namethat closely matches the name of your actual web game.
3. Add the URL to launch your game.
4. Click Save and continue, then follow the steps in theCreate a client ID section below.

b. Create a client ID

1. In the Step 2: Authorize your app screen, click theAuthorize your app now button to begin the process of creating an OAuth 2.0client ID.

1. You will be prompted to enter a package name. This information will appear in the OAuth 2.0 permissions dialog box when a user is asked to authorize your game. Your game name is placed in the project name field by default.
2. Click Continue, then follow the steps in theSpecify client ID settings section below.

c. Specify client ID settings

Next, specify your client ID settings by following the instructions specific toyour platform.

Android

1. Choose Installed application as your Application type and selectAndroid as the installed application type (these should be your onlyoptions).
2. In the Package name field, enter your Android application'spackage name.
3. Open a terminal and run theKeytool utility to get the SHA1 fingerprint of the certificate. You shouldget both the release and debug certificate fingerprints.

   To get the release certificate fingerprint:

   To get the debug certificate fingerprint:Note: On Windows, the debug keystore can be found at C:Users<USERNAME>.androiddebug.keystore. On Mac or Linux, the debug keystore is typically located at ~/.android/debug.keystore.
4. The keytool prompts you to enter a password for the keystore. Thedefault password for the debug keystore is android. The keytool then printsthe fingerprint to the terminal.
5. Paste the SHA1 fingerprint into the Signing certificate fingerprint (SHA1) field.
6. Click the Create client button, then follow the steps in theGather credentials for authentication and authorizationsection below.

For more information about OAuth 2.0 on Android, seeAuthenticating to OAuth2 Services.

You should create two client IDs, one with the release certificate fingerprint andanother with the debug certificate fingerprint. Make sure to use the samepackage name for both. This allows Google Play games services to recognize callsfrom your linked APKs that are signed with either certificate. For moreinformation about certificate signing for Android, seeSigning Your Application.

You can add more than one Android app to the same game entry in Google Play Console.However, this should only be done if there are different versions of thesame game (for example, the free version and the paid version). In thiscase, always list the paid version before the free version (or the fullversion before the demo/trial version).Do not link different games to the same project as this may causeincorrect behavior. Instead, create a separate game entryin the Google Play Console for each game that you publish.

Web

1. Choose Web application as your Application type (it should be theonly option).
2. Enter the site or host name where you will be hosting your app. You canadd additional sites later.
3. An OAuth 2.0 redirect URI will automatically be created for you. You canchange this later if you want to redirect to a different URI. If you'reusing JavaScript to handle your OAuth 2.0 sign-in, you can ignore this URI, anddelete it later.
4. If you want more control over the hostnames and/or redirect URIs, clickthe more options link. This will allow you to add multiple redirect URIs,as well as multiple authorized sites (also called JavaScript Origins) fromwhich you can call client-side OAuth. As a general rule, you should have asmany authorized hosts or redirect URIs as you need for development, but no more.You should also remove URLs like 'localhost' as authorized origins before youpublish your game. If you are using server-side OAuth (that is, redirecting to anOAuth page and redirecting back to your game), specify the page to which you redirect back inthe Authorized Redirect URIs box. If you are using client-side OAuth (that is, having theOAuth dialog appear in a pop-up dialog), specify the servers from which you are serving your gamein the Authorized JavaScript Origins box.
5. Click Create client, then follow the steps in theGather credentials for authentication and authorization section below.

d. Gather credentials for authentication and authorization

Depending on the platform you are developing for, you may need to locate andrecord the following credential information.

Client ID

After you click the Create Client button, you should see your new client IDfor this application. Make a note of the client ID, as you will need thisinformation later. You will have a different client ID for each platform.

You can always find this information later by revisiting the Linked Appspage and clicking on the linked application associated with the client ID for your platform.

The client ID is listed at the bottom of the page.

Client secret (for web-based games only)

If you are building a web-based application, you might also need your clientsecret to authorize your server-based API client. You can find your client secretby clicking on the linked application entry for your web application.

At the bottom of the screen, you will see a link that redirects you to theGoogle API Console, where you will be able to find the Client Secret for thislinked application.

Application ID

You may also need to know your application ID to properly set up sign in. You canfind this by looking for the 12-or-13-digit number next to your game's displayname at the top of the page.

e. (Optional) Creating multiple client IDs

If you are creating a game that runs on multiple platforms, you will need tocreate a separate client ID for each platform (Web, Android, etc.). To dothis, click the Link another app button on the Linked apps page and repeat the steps starting from theCreate a linked application section.

Avoiding common setup problems

To avoid common setup mistakes, make sure to follow these recommendationswhen setting up your game to use the Google Play games services.

1. Set up your game with the Google Play Console

If you created an Oauth 2.0 client ID for your app in the Google Play Console, Google Play games services will not know about the association between the game’s achievement and leaderboards and the client ID. To create this association, you should first link your app with the game as described in Create a linked application.

2. Use the correct application ID in Android

The application ID is a required string resource that you must reference in your Android manifest. The application ID string consists only of the digits (typically 12 or more) at the beginning of the client ID provided by the Google Play Console. To learn how to find the application ID, seeApplication ID.

3. Sign your APK with the correct certificate

When linking your Android app to your game in the Google Play Console, you must use exactly the same package name and certificate fingerprint that you used to publish your app. If there is a mismatch, calls to Google Play games services will fail. You should create two client IDs, one with the release certificate fingerprint and another with the debug certificate fingerprint, and use the same package name for both. To learn more about how to specify the signing certificate in the Google Play Console, seeSigning Your Applications.

4. When developing for Android, include the Play Games SDK as a library project, not as a standalone JAR

Make sure that the Google Play services SDK is referenced as a library project in your Android project, otherwise this could lead to errors when your app is unable to find Google Play services resources. To learn how to set up your Android project to use Google Play services, seeSetting Up Google Play Services.

5. Sign in with a tester account during development

If you have not published your game setting changes in the Google Play Console, you might encounter errors during testing if you are not signed in with a whitelisted tester account. You should always enable your Google Play Console publisher account for testing. To learn how to manage tester accounts, seeEnabling accounts for testing.

6. At release, publish the Play Games services settings first before you publish your game

Developers might accidentally publish their app without publishing the corresponding Google Play games services settings for their app. This might cause players who are signing in with non-tester accounts to encounter errors since the app cannot reference the correct game settings. When releasing your game, remember to first publish your game settings by using the Publish Game option in the Google Play Console. To learn how to publish your changes, seePublishing your game changes.

For additional tips, refer to these related resources:

• Top 7 Google Play games services setup mistakes - Video that describes common Google Play games services setup pitfalls and scenarios.
• Android troubleshooting guide - Developer documentation that describes how to troubleshoot issues while developing Android games.

Next steps

Before proceeding further, you should add test accounts to your game as described inEnabling accounts for testing.Users with authorized test accounts will have access to to your unpublished game inGoogle Play, and can test that your configured Google Play games services are working correctly.

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Once you have completed the initial setup tasks described above, you can proceedto configure Google Play games services for your game, such as leaderboards and achievements.To learn more, see Configuring Play Games.