This Thread is sticky.
In this Thread I'll always update the currently translated languages.
If anyone is willing to translate a language that is not listed here or only partially finished, please reply to this thread.
German (de_DE) - by @manuelgu
Pirate Speak (en_PT) - by @RedstonePotato
French (fr_FR) - by @TheAslera
Hungarian (hu_HU) - by @bela333
Italian (it_IT) - by @Paolo565
Polish (pl_PL) - by @piotrex43
Portuguese (pt_PT and pt_BR) - by @Gabriel0Augusto
Swedish (sv_SE) - by @Zyphicx
Dutch (nl_NL) - by @Datenegassie
Chinese (Traditional) (zh_TW) - by @s9801077
Russian (ru_RU) (partially)
Spanish (es_ES) - by @Octavigon (partially)
Finnish (fi_FI) (partially)
Thai (th_TH) (partially)
Turkish (tr_TR) (partially)