You can create gammas in different languages. To specify the output language of your gamma, use the appropriate string in the textOptions.language parameter. If nothing is specified in this parameter, Gamma creates your output in en, ie English (US).

Language	Key
Afrikaans	`af`
Albanian	`sq`
Arabic	`ar`
Arabic (Saudi Arabia)	`ar-sa`
Bengali	`bn`
Bosnian	`bs`
Bulgarian	`bg`
Catalan	`ca`
Croatian	`hr`
Czech	`cs`
Danish	`da`
Dutch	`nl`
English (India)	`en-in`
English (UK)	`en-gb`
English (US)	`en`
Estonian	`et`
Finnish	`fi`
French	`fr`
German	`de`
Greek	`el`
Gujarati	`gu`
Hausa	`ha`
Hebrew	`he`
Hindi	`hi`
Hungarian	`hu`
Icelandic	`is`
Indonesian	`id`
Italian	`it`
Japanese (です/ます style)	`ja`
Japanese (だ/である style)	`ja-da`
Kannada	`kn`
Kazakh	`kk`
Korean	`ko`
Latvian	`lv`
Lithuanian	`lt`
Macedonian	`mk`
Malay	`ms`
Malayalam	`ml`
Marathi	`mr`
Norwegian	`nb`
Persian	`fa`
Polish	`pl`
Portuguese (Brazil)	`pt-br`
Portuguese (Portugal)	`pt-pt`
Romanian	`ro`
Russian	`ru`
Serbian	`sr`
Simplified Chinese	`zh-cn`
Slovenian	`sl`
Spanish	`es`
Spanish (Latin America)	`es-419`
Spanish (Mexico)	`es-mx`
Spanish (Spain)	`es-es`
Swahili	`sw`
Swedish	`sv`
Tagalog	`tl`
Tamil	`ta`
Telugu	`te`
Thai	`th`
Traditional Chinese	`zh-tw`
Turkish	`tr`
Ukrainian	`uk`
Urdu	`ur`
Uzbek	`uz`
Vietnamese	`vi`
Welsh	`cy`
Yoruba	`yo`