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The daily archive.

Every published daily equation, ready when you are. Choose a date to see its rules, solution count and optional answers.

October 2026

Coloured dates link to published puzzles. Unavailable dates are muted. New puzzles release at midnight UTC.

1Hard4 ways 2Expert6 ways 3Master3 ways 4Easy2 ways 5Medium3 ways 6Hard2 ways 7Expert4 ways 8Master4 ways 9Easy3 ways 10Medium5 ways 11Hard3 ways 12Expert2 ways 13Master3 ways 14Easy2 ways 15Medium2 ways 16Hard5 ways17—18—19—20—21—22—23—24—25—26—27—28—29—30—31—

Find a useful starting point.

The worked puzzle collection gives a specific strategy for selected equations. The solving guides explain the ideas behind them. You can also choose a difficulty in the Lobby for unlimited catalog play.

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