All player messages are currently fully translated to English and German.
Partially translations exist for Spanish, French, Czech, Danish, Dutch, Polish, Portuguese and Russian.
If you want to translate the missing messages in a language, or add a translation for a new language, check out Wiki/Translating!
When translating, you can also always test out your messages by copying them into the messages.yml file for SkyWars.
To see all currently untranslated messages in all currently existing language files, go to Search/Untranslated.