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Daily Sudoku for October 12, 2026

Updated

The daily sudoku for October 12, 2026 is a Medium puzzle with 27 clues and an SE rating of 3. It is the same grid the Suuudokuuu app serves as its daily challenge that day, everywhere in the world: the board is forged from the UTC date alone, so the app, this page and the archive all arrive at it independently.

The Medium daily sudoku for October 12, 2026.
c1c2c3c4c5c6c7c8c9
r1425
r26139
r3471
r48765
r552
r68
r7479
r88695
r9951
Open this puzzle in the app
Difficulty
Medium
SE rating
3
Solution steps
60

Techniques this puzzle needs

Solved the way the SE rating measures it, reaching for the cheapest technique that still makes progress, this puzzle needs Full House, Naked Single, Hidden Single, Pointing Pair, Box Line Reduction and Naked Pair. The hardest of them sets its rating; the sudoku difficulty rating guide explains the scale.

Step-by-step solution

Every placement and elimination below is proved by a named technique, in the order the engine found them. Each technique links to its guide. Stuck on a different puzzle? The step-by-step solver narrates any grid you paste.

Show all 60 steps
  1. The Hidden Single places 5 in r3c1. Hidden Single
  2. The Hidden Single places 4 in r2c7. Hidden Single
  3. The Hidden Single places 4 in r6c2. Hidden Single
  4. The Hidden Single places 6 in r7c2. Hidden Single
  5. The Hidden Single places 1 in r8c2. Hidden Single
  6. The Hidden Single places 7 in r1c3. Hidden Single
  7. The Hidden Single places 5 in r2c5. Hidden Single
  8. The Hidden Single places 6 in r9c8. Hidden Single
  9. The Hidden Single places 7 in r9c1. Hidden Single
  10. The Hidden Single places 6 in r3c9. Hidden Single
  11. The Full House places 8 in r1c7. Full House
  12. The Hidden Single places 9 in r3c3. Hidden Single
  13. The Naked Single places 3 in r1c2. Naked Single
  14. The Naked Single places 8 in r7c8. Naked Single
  15. The Hidden Single places 8 in r5c9. Hidden Single
  16. The Pointing Pair removes 2 from r6c1. Pointing Pair
  17. The Pointing Pair removes 3 from r5c1, r6c1. Pointing Pair
  18. The Pointing Pair removes 4 from r8c5. Pointing Pair
  19. The Box Line Reduction removes 1 from r5c5, r5c6, r6c4, r6c6. Box Line Reduction
  20. The Box Line Reduction removes 9 from r5c5, r6c4. Box Line Reduction
  21. The Naked Pair removes 3, 2 from r4c5, r5c5, r9c5, r9c5. Naked Pair
  22. The Naked Single places 4 in r9c5. Naked Single
  23. The Hidden Single places 4 in r4c4. Hidden Single
  24. The Hidden Single places 9 in r4c5. Hidden Single
  25. The Hidden Single places 9 in r1c4. Hidden Single
  26. The Hidden Single places 1 in r4c6. Hidden Single
  27. The Hidden Single places 1 in r1c5. Hidden Single
  28. The Full House places 6 in r1c6. Full House
  29. The Hidden Single places 1 in r7c4. Hidden Single
  30. The Hidden Single places 5 in r6c4. Hidden Single
  31. The Hidden Single places 7 in r2c4. Hidden Single
  32. The Hidden Single places 4 in r5c8. Hidden Single
  33. The Hidden Single places 7 in r5c6. Hidden Single
  34. The Hidden Single places 9 in r5c1. Hidden Single
  35. The Hidden Single places 1 in r5c7. Hidden Single
  36. The Hidden Single places 3 in r5c3. Hidden Single
  37. The Full House places 6 in r5c5. Full House
  38. The Full House places 3 in r6c6. Full House
  39. The Hidden Single places 6 in r6c3. Hidden Single
  40. The Full House places 2 in r4c3. Full House
  41. The Full House places 3 in r4c9. Full House
  42. The Full House places 1 in r6c1. Full House
  43. The Hidden Single places 9 in r6c8. Hidden Single
  44. The Full House places 7 in r8c8. Full House
  45. The Hidden Single places 7 in r6c9. Hidden Single
  46. The Full House places 2 in r6c7. Full House
  47. The Full House places 3 in r9c7. Full House
  48. The Hidden Single places 3 in r3c4. Hidden Single
  49. The Full House places 8 in r9c4. Full House
  50. The Full House places 2 in r9c6. Full House
  51. The Hidden Single places 2 in r2c2. Hidden Single
  52. The Full House places 8 in r2c6. Full House
  53. The Full House places 8 in r3c2. Full House
  54. The Full House places 2 in r3c5. Full House
  55. The Full House places 3 in r8c5. Full House
  56. The Full House places 5 in r7c6. Full House
  57. The Hidden Single places 3 in r7c1. Hidden Single
  58. The Full House places 2 in r8c1. Full House
  59. The Full House places 2 in r7c9. Full House
  60. The Full House places 4 in r8c9. Full House
Show the completed grid
The completed grid for October 12, 2026.
c1c2c3c4c5c6c7c8c9
r1437916825
r2621758439
r3589324716
r4872491653
r5953267148
r6146583297
r7364175982
r8218639574
r9795842361

More daily puzzles

Every day since the archive began has its own page. Browse the Daily sudoku archive, October 2026, or go back to today’s daily sudoku.