Thank you for playing, Eike!
Currently the game is only in 4 languages. This is a collaborative project, so every language is courtesy of each translator, who volunteered. The game would be available in as many languages as people wanted to translate it. So, based on the people who volunteered, the game was planned to be released in 7 languages (all of them are in the credits). However, three translations were not finished on time (one of them is German translation). We hope Clothes Line will be available in these three languages in the future.
Yeah, you're right, I just checked that the credits are cut off early. We'll see what happens. Thanks for letting us know.