You can play QuizUp in 6 different languages: English, Deutsch, Español, Español (España), Français and Português (Brazil).
When you've opened the QuizUp page (QuizUp tab), located in the middle of the tab bar you should see the Settings option located in the left corner on the top bar.
To change your language:
Tap the settings option in the top left corner
Under Settings you'll find the language option
Select the language you want from the menu
Changing the language for the web site please make sure that you are logged in. Click the triangle besides your display name in the top bar and select Settings. There you can select one of our 6 supported languages.