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Verified dated Sudoku collection

Daily Sudoku challenge collection

Each published challenge date has a permanent page. The Legen Puzzle Engine checks every puzzle, and a separate proof verifier rechecks each published key step. Challenge dates are not webpage publication dates.

Available through: 18 September 2026

Today's Sudoku

  1. 2026-07-174 × Easy · Medium · Hard · Expert
    Open challenge
  2. 2026-07-184 × Easy · Medium · Hard · Expert
    Open challenge
  3. 2026-07-194 × Easy · Medium · Hard · Expert
    Open challenge
  4. 2026-07-204 × Easy · Medium · Hard · Expert
    Open challenge
  5. 2026-07-214 × Easy · Medium · Hard · Expert
    Open challenge
  6. 2026-07-224 × Easy · Medium · Hard · Expert
    Open challenge
  7. 2026-07-234 × Easy · Medium · Hard · Expert
    Open challenge
  8. 2026-07-244 × Easy · Medium · Hard · Expert
    Open challenge
  9. 2026-07-254 × Easy · Medium · Hard · Expert
    Open challenge
  10. 2026-07-264 × Easy · Medium · Hard · Expert
    Open challenge
  11. 2026-07-274 × Easy · Medium · Hard · Expert
    Open challenge
  12. 2026-07-284 × Easy · Medium · Hard · Expert
    Open challenge
  13. 2026-07-294 × Easy · Medium · Hard · Expert
    Open challenge
  14. 2026-07-304 × Easy · Medium · Hard · Expert
    Open challenge
  15. 2026-07-314 × Easy · Medium · Hard · Expert
    Open challenge
  16. 2026-08-014 × Easy · Medium · Hard · Expert
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  17. 2026-08-024 × Easy · Medium · Hard · Expert
    Open challenge
  18. 2026-08-034 × Easy · Medium · Hard · Expert
    Open challenge
  19. 2026-08-044 × Easy · Medium · Hard · Expert
    Open challenge
  20. 2026-08-054 × Easy · Medium · Hard · Expert
    Open challenge
  21. 2026-08-064 × Easy · Medium · Hard · Expert
    Open challenge
  22. 2026-08-074 × Easy · Medium · Hard · Expert
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  23. 2026-08-084 × Easy · Medium · Hard · Expert
    Open challenge
  24. 2026-08-094 × Easy · Medium · Hard · Expert
    Open challenge
  25. 2026-08-104 × Easy · Medium · Hard · Expert
    Open challenge
  26. 2026-08-114 × Easy · Medium · Hard · Expert
    Open challenge
  27. 2026-08-124 × Easy · Medium · Hard · Expert
    Open challenge
  28. 2026-08-134 × Easy · Medium · Hard · Expert
    Open challenge
  29. 2026-08-144 × Easy · Medium · Hard · Expert
    Open challenge
  30. 2026-08-154 × Easy · Medium · Hard · Expert
    Open challenge
  31. 2026-08-164 × Easy · Medium · Hard · Expert
    Open challenge
  32. 2026-08-174 × Easy · Medium · Hard · Expert
    Open challenge
  33. 2026-08-184 × Easy · Medium · Hard · Expert
    Open challenge
  34. 2026-08-194 × Easy · Medium · Hard · Expert
    Open challenge
  35. 2026-08-204 × Easy · Medium · Hard · Expert
    Open challenge
  36. 2026-08-214 × Easy · Medium · Hard · Expert
    Open challenge
  37. 2026-08-224 × Easy · Medium · Hard · Expert
    Open challenge
  38. 2026-08-234 × Easy · Medium · Hard · Expert
    Open challenge
  39. 2026-08-244 × Easy · Medium · Hard · Expert
    Open challenge
  40. 2026-08-254 × Easy · Medium · Hard · Expert
    Open challenge
  41. 2026-08-264 × Easy · Medium · Hard · Expert
    Open challenge
  42. 2026-08-274 × Easy · Medium · Hard · Expert
    Open challenge
  43. 2026-08-284 × Easy · Medium · Hard · Expert
    Open challenge
  44. 2026-08-294 × Easy · Medium · Hard · Expert
    Open challenge
  45. 2026-08-304 × Easy · Medium · Hard · Expert
    Open challenge
  46. 2026-08-314 × Easy · Medium · Hard · Expert
    Open challenge
  47. 2026-09-014 × Easy · Medium · Hard · Expert
    Open challenge
  48. 2026-09-024 × Easy · Medium · Hard · Expert
    Open challenge
  49. 2026-09-034 × Easy · Medium · Hard · Expert
    Open challenge
  50. 2026-09-044 × Easy · Medium · Hard · Expert
    Open challenge
  51. 2026-09-054 × Easy · Medium · Hard · Expert
    Open challenge
  52. 2026-09-064 × Easy · Medium · Hard · Expert
    Open challenge
  53. 2026-09-074 × Easy · Medium · Hard · Expert
    Open challenge
  54. 2026-09-084 × Easy · Medium · Hard · Expert
    Open challenge
  55. 2026-09-094 × Easy · Medium · Hard · Expert
    Open challenge
  56. 2026-09-104 × Easy · Medium · Hard · Expert
    Open challenge
  57. 2026-09-114 × Easy · Medium · Hard · Expert
    Open challenge
  58. 2026-09-124 × Easy · Medium · Hard · Expert
    Open challenge
  59. 2026-09-134 × Easy · Medium · Hard · Expert
    Open challenge
  60. 2026-09-144 × Easy · Medium · Hard · Expert
    Open challenge
  61. 2026-09-154 × Easy · Medium · Hard · Expert
    Open challenge
  62. 2026-09-164 × Easy · Medium · Hard · Expert
    Open challenge
  63. 2026-09-174 × Easy · Medium · Hard · Expert
    Open challenge
  64. 2026-09-184 × Easy · Medium · Hard · Expert
    Open challenge
Browse the July 2026 archiveBrowse the August 2026 archiveBrowse the September 2026 archive