Internationalization (i18n) and localization (L10n) requirements
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This section covers internationalization (i18n) and localization (L10n)
requirements.
1 Language APIs
2 Language support
- Game MUST support the English language.
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Last updated 2025-08-20 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-20 UTC."],[[["\u003cp\u003eGames may use the \u003ccode\u003egetLanguage\u003c/code\u003e API to retrieve user locale but must not use web localization APIs like \u003ccode\u003enavigator.languages\u003c/code\u003e or \u003ccode\u003enavigator.language\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eGames must support the English language and while translations are provided for reference, the English versions of the requirements are the definitive source.\u003c/p\u003e\n"]]],["Games must adhere to internationalization and localization guidelines. Games may use the `getLanguage` API to obtain the user's locale for adjustments. Using web localization APIs like `navigator.languages` or `navigator.language` is prohibited. Crucially, all games must support the English language. Translated requirements are for reference only; English requirements provide definitive guidance.\n"],null,["# Internationalization (i18n) and localization (L10n) requirements\n\nThis section covers internationalization (i18n) and localization (L10n)\nrequirements.\n| **Important:** Translated requirements are provided for reference only. Refer to the [English versions of requirements](/youtube/gaming/playables/certification/requirements?hl=en) for definitive guidance.\n\n1 Language APIs\n---------------\n\n- Game **MAY** use [`getLanguage`](/youtube/gaming/playables/reference/sdk#getlanguage) to retrieve the user's current locale setting and adjust the game accordingly.\n- Game **MUST NOT** use web localization APIs, such as [`navigator.languages`](https://developer.mozilla.org/en-US/docs/Web/API/Navigator/languages) or [`navigator.language`](https://developer.mozilla.org/en-US/docs/Web/API/Navigator/language).\n\n2 Language support\n------------------\n\n- Game **MUST** support the English language."]]
