Ciphers
Tumblers on gold
You're in the puzzles on a Wednesday night. Four small locks. I'm sitting across from you, not handing you a worksheet.
Continue the story
Ciphers
Four new locks
A rail fence, a tiny cross, Morse, and A-is-1. A fresh set.
Ciphers
Four more for the night desk
Caesar, a tiny cross, a letter matrix, and more hex. Still short.
Ciphers
Four for the first night
A cryptogram, a mini crossword, a letter matrix, and a hex dump. None of them long.
Ciphers
Fraction on the pad
Medium–hard. ADFGX. Five-by-five fractionated Morse-style grid, then the pairs as letters A D F G X.
Ciphers
Nihilist on the rail
Hard. Nihilist: Polybius numbers plus a repeating key. Key RAIL. I/J share.
Ciphers
Porta, star key
Medium. Porta cipher. Keyword STAR. Reciprocal alphabets; encode equals decode.
Ciphers
Running key, Standard
Hard. Running-key Vigenère. The key is THESTANDARD, letters only, no spaces in the key stream.
Ciphers
Trifid, good news
Hard. Trifid. 27-character alphabet A–Z plus a full stop, period 5.
Ciphers
Autokey from the rail
Hard. Autokey Vigenère. Primer RAIL, then the plaintext itself becomes the rest of the key. Spaces stripped.
Ciphers
Beaufort on the Gulf
Medium. Beaufort cipher, keyword STAR. Same operation encodes and decodes.