Voidish

Voidish (vds: @wwe#$!?) is a language spoken in some voids. Most of it's users are sentient voids, empty regions of space who possess sentience. The language is known by default by settlers of the VOID and sentient black holes. However, for other beings it can be only 79% decrypted, meaning that 21% of words are those who noone can understand yet.

Even harder to learn language is Ancient Voidish. It has only 6 words decrypted.