Wikimedia Commons has media related to Uncracked codes and ciphers.
A list of as-yet-undeciphered codes and ciphers, mostly of historical interest.
Subcategories
This category has only the following subcategory.
U
Pages in category "Undeciphered historical codes and ciphers"
The following 19 pages are in this category, out of 19 total. This list may not reflect recent changes.