Products Games Play Games Services Web Reference AchievementDefinitions An achievement definition. For a list of methods for this resource, see the end of this page. Resource representations There is no persistent data associated with this resource. Methods list Lists all the achievement definitions for your application. Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates. Last updated June 21, 2016.