Daily Sudoku for October 5, 2026

Updated

The daily sudoku for October 5, 2026 is a Hard puzzle with 26 clues and an SE rating of 3.4. 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 Hard daily sudoku for October 5, 2026.
c1c2c3c4c5c6c7c8c9
r11923
r27
r32569
r4872
r5345
r63
r79428
r8591
r9398
Open this puzzle in the app
Difficulty
Hard
SE rating
3.4
Solution steps
63

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, Box Line Reduction, Naked Pair, Hidden Pair and Finned X-Wing. 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 63 steps
  1. The Hidden Single places 2 in r2c8. Hidden Single
  2. The Hidden Single places 3 in r4c7. Hidden Single
  3. The Hidden Single places 4 in r9c8. Hidden Single
  4. The Hidden Single places 8 in r6c8. Hidden Single
  5. The Hidden Single places 7 in r7c8. Hidden Single
  6. The Full House places 6 in r4c8. Full House
  7. The Hidden Single places 3 in r8c9. Hidden Single
  8. The Hidden Single places 6 in r9c9. Hidden Single
  9. The Full House places 5 in r9c7. Full House
  10. The Naked Single places 4 in r3c2. Naked Single
  11. The Naked Single places 6 in r5c1. Naked Single
  12. The Naked Single places 7 in r9c1. Naked Single
  13. The Box Line Reduction removes 1 from r5c4, r5c5, r6c4, r6c5, r6c6. Box Line Reduction
  14. The Box Line Reduction removes 9 from r5c5, r6c5, r6c6. Box Line Reduction
  15. The Naked Pair removes 1, 7 from r3c5, r3c5. Naked Pair
  16. The Naked Pair removes 1, 2 from r6c3, r6c3, r7c3, r8c3. Naked Pair
  17. The Naked Pair removes 5 from r6c2. Naked Pair
  18. The Hidden Pair removes 6 from r8c3. Hidden Pair
  19. The Hidden Pair removes 7, 1 from r1c9, r2c9. Hidden Pair
  20. The Finned X-Wing removes 7 from r6c7. Finned X-Wing
  21. The Hidden Single places 7 in r1c7. Hidden Single
  22. The Hidden Single places 7 in r3c6. Hidden Single
  23. The Hidden Single places 8 in r2c7. Hidden Single
  24. The Full House places 1 in r6c7. Full House
  25. The Hidden Single places 8 in r8c1. Hidden Single
  26. The Hidden Single places 4 in r4c1. Hidden Single
  27. The Full House places 5 in r2c1. Full House
  28. The Hidden Single places 5 in r1c9. Hidden Single
  29. The Hidden Single places 5 in r7c2. Hidden Single
  30. The Hidden Single places 1 in r5c2. Hidden Single
  31. The Hidden Single places 9 in r6c2. Hidden Single
  32. The Hidden Single places 2 in r8c2. Hidden Single
  33. The Full House places 6 in r1c2. Full House
  34. The Hidden Single places 8 in r3c3. Hidden Single
  35. The Full House places 3 in r2c3. Full House
  36. The Hidden Single places 5 in r4c5. Hidden Single
  37. The Hidden Single places 9 in r4c6. Hidden Single
  38. The Full House places 1 in r4c4. Full House
  39. The Hidden Single places 9 in r2c5. Hidden Single
  40. The Hidden Single places 1 in r2c6. Hidden Single
  41. The Full House places 6 in r6c6. Full House
  42. The Hidden Single places 6 in r2c4. Hidden Single
  43. The Full House places 4 in r2c9. Full House
  44. The Full House places 1 in r3c9. Full House
  45. The Full House places 3 in r3c5. Full House
  46. The Hidden Single places 9 in r5c9. Hidden Single
  47. The Full House places 7 in r6c9. Full House
  48. The Hidden Single places 1 in r7c5. Hidden Single
  49. The Hidden Single places 6 in r8c5. Hidden Single
  50. The Hidden Single places 7 in r5c5. Hidden Single
  51. The Hidden Single places 8 in r5c4. Hidden Single
  52. The Full House places 2 in r5c3. Full House
  53. The Full House places 5 in r6c3. Full House
  54. The Hidden Single places 8 in r1c5. Hidden Single
  55. The Full House places 4 in r1c4. Full House
  56. The Hidden Single places 4 in r6c5. Hidden Single
  57. The Full House places 2 in r9c5. Full House
  58. The Full House places 2 in r6c4. Full House
  59. The Full House places 1 in r9c3. Full House
  60. The Naked Single places 6 in r7c3. Naked Single
  61. The Full House places 4 in r8c3. Full House
  62. The Full House places 3 in r7c4. Full House
  63. The Full House places 7 in r8c4. Full House
Show the completed grid
The completed grid for October 5, 2026.
c1c2c3c4c5c6c7c8c9
r1169482735
r2573691824
r3248537691
r4487159362
r5612873459
r6395246187
r7956314278
r8824765913
r9731928546

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.