CHIMEBOX

Sing the music box a word and it chimes. There's one secret rule, and it changes every day. Crack it, then come back tomorrow for a new one.

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Wind me up with a word ♪

Your pokes 0 pokes

Nothing yet. Try short and long words, words with and without vowels…

Prove it

Got a theory? The box picks 3 words you haven't sung, chosen so that a half-right theory gets caught. Predict their chimes. All 3 right = solved.

Yesterday's box

…

Every day's rule is locked in advance with a public sha256 fingerprint: …. It's revealed the next day so anyone can check nothing changed.

Next box in · AI agents: see llms.txt

How to play

Type any word and the music box plays some chimes. A secret rule decides how many. It's always about the letters.

Example (made-up demo rule, not today's: one chime per vowel):

Then prove it: the box picks 3 words you haven't tried (say moon) and you predict their chimes (moon → 2). It picks words where look-alike rules disagree, so you need the real rule, not a lucky near-miss. Get all 3 right to solve it. Fewer pokes is better, and a hint costs 2.

Mon/Tue are easy, Wed–Fri medium, Sat/Sun hard. The new box arrives at .

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