Archive

Past daily challenges.

Missed a day? Pro members can replay the last 30 days of Puzzle Theory daily puzzles — Lexicon, Target, Sudoku and the rest. Every date served the same challenge to everyone; see how your answer would have stacked up.

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  1. Mon, Oct 12, 2026

    2026-10-12

  2. Sun, Oct 11, 2026

    2026-10-11

  3. Sat, Oct 10, 2026

    2026-10-10

  4. Fri, Oct 9, 2026

    2026-10-09

  5. Thu, Oct 8, 2026

    2026-10-08

  6. Wed, Oct 7, 2026

    2026-10-07

  7. Tue, Oct 6, 2026

    2026-10-06

  8. Mon, Oct 5, 2026

    2026-10-05

  9. Sun, Oct 4, 2026

    2026-10-04

  10. Sat, Oct 3, 2026

    2026-10-03

  11. Fri, Oct 2, 2026

    2026-10-02

  12. Thu, Oct 1, 2026

    2026-10-01

  13. Wed, Sep 30, 2026

    2026-09-30

  14. Tue, Sep 29, 2026

    2026-09-29

  15. Mon, Sep 28, 2026

    2026-09-28

  16. Sun, Sep 27, 2026

    2026-09-27

  17. Sat, Sep 26, 2026

    2026-09-26

  18. Fri, Sep 25, 2026

    2026-09-25

  19. Thu, Sep 24, 2026

    2026-09-24

  20. Wed, Sep 23, 2026

    2026-09-23

  21. Tue, Sep 22, 2026

    2026-09-22

  22. Mon, Sep 21, 2026

    2026-09-21

  23. Sun, Sep 20, 2026

    2026-09-20

  24. Sat, Sep 19, 2026

    2026-09-19

  25. Fri, Sep 18, 2026

    2026-09-18

  26. Thu, Sep 17, 2026

    2026-09-17

  27. Wed, Sep 16, 2026

    2026-09-16

  28. Tue, Sep 15, 2026

    2026-09-15

  29. Mon, Sep 14, 2026

    2026-09-14