Updated translations of the site:

https://byteball.org/index.html.ja
https://byteball.org/index.html.de
https://byteball.org/index.html.ru

A few other languages are less than half done:
https://byteball.org/index.html.pl
https://byteball.org/index.html.es
https://byteball.org/index.html.zh
https://byteball.org/index.html.da

Please join our crowdin project and help translate https://crowdin.com/project/byteball-web