←
NOGGIN
Play today’s Deduce How to play

Deduce archive

Every Deduce so far, 91 puzzles, each with its solution worked through.

Pick a day to read how it comes out, or play it from there: a day you missed can still be played for a score that sticks, though never for a streak. Today’s solution appears at midnight UTC. New to it? Read how to play Deduce first.

November 2026

October 2026

September 2026

August 2026