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Daily Sudoku for October 20, 2026

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The daily sudoku for October 20, 2026 is a Medium puzzle with 27 clues and an SE rating of 2.6. 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 20, 2026.
c1c2c3c4c5c6c7c8c9
r16
r215
r3734
r456742
r57
r64813
r7562349
r871
r9286
Open today’s daily challenge in the app
Difficulty
Medium
SE rating
2.6
Solution steps
56

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 and Pointing 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 56 steps
  1. The Hidden Single places 6 in r5c1. Hidden Single
  2. The Hidden Single places 1 in r3c5. Hidden Single
  3. The Hidden Single places 6 in r3c6. Hidden Single
  4. The Hidden Single places 6 in r2c8. Hidden Single
  5. The Hidden Single places 5 in r3c3. Hidden Single
  6. The Hidden Single places 8 in r4c8. Hidden Single
  7. The Hidden Single places 6 in r8c5. Hidden Single
  8. The Hidden Single places 2 in r6c2. Hidden Single
  9. The Hidden Single places 6 in r6c9. Hidden Single
  10. The Hidden Single places 7 in r6c8. Hidden Single
  11. The Naked Single places 9 in r4c6. Naked Single
  12. The Hidden Single places 9 in r6c7. Hidden Single
  13. The Full House places 5 in r6c5. Full House
  14. The Hidden Single places 9 in r5c3. Hidden Single
  15. The Hidden Single places 5 in r1c6. Hidden Single
  16. The Hidden Single places 9 in r1c9. Hidden Single
  17. The Hidden Single places 9 in r2c5. Hidden Single
  18. The Hidden Single places 3 in r1c5. Hidden Single
  19. The Full House places 8 in r5c5. Full House
  20. The Naked Single places 7 in r7c6. Naked Single
  21. The Hidden Single places 7 in r9c9. Hidden Single
  22. The Pointing Pair removes 1 from r9c8. Pointing Pair
  23. The Pointing Pair removes 8 from r8c7, r8c9. Pointing Pair
  24. The Hidden Single places 8 in r7c9. Hidden Single
  25. The Full House places 1 in r7c7. Full House
  26. The Hidden Single places 1 in r1c8. Hidden Single
  27. The Hidden Single places 1 in r5c9. Hidden Single
  28. The Full House places 3 in r8c9. Full House
  29. The Hidden Single places 3 in r9c2. Hidden Single
  30. The Hidden Single places 3 in r5c7. Hidden Single
  31. The Full House places 5 in r5c8. Full House
  32. The Hidden Single places 5 in r8c7. Hidden Single
  33. The Hidden Single places 5 in r9c4. Hidden Single
  34. The Full House places 9 in r8c4. Full House
  35. The Hidden Single places 9 in r3c2. Hidden Single
  36. The Hidden Single places 9 in r9c1. Hidden Single
  37. The Hidden Single places 1 in r4c1. Hidden Single
  38. The Full House places 3 in r4c3. Full House
  39. The Hidden Single places 3 in r2c1. Hidden Single
  40. The Hidden Single places 7 in r1c1. Hidden Single
  41. The Hidden Single places 2 in r3c1. Hidden Single
  42. The Full House places 8 in r8c1. Full House
  43. The Full House places 8 in r3c4. Full House
  44. The Hidden Single places 7 in r2c4. Hidden Single
  45. The Hidden Single places 8 in r2c7. Hidden Single
  46. The Full House places 2 in r1c7. Full House
  47. The Hidden Single places 8 in r1c2. Hidden Single
  48. The Full House places 4 in r1c4. Full House
  49. The Full House places 4 in r8c2. Full House
  50. The Full House places 2 in r5c4. Full House
  51. The Full House places 4 in r5c6. Full House
  52. The Full House places 2 in r2c6. Full House
  53. The Full House places 4 in r2c3. Full House
  54. The Full House places 1 in r9c3. Full House
  55. The Full House places 2 in r8c8. Full House
  56. The Full House places 4 in r9c8. Full House
Show the completed grid
The completed grid for October 20, 2026.
c1c2c3c4c5c6c7c8c9
r1786435219
r2314792865
r3295816734
r4153679482
r5679284351
r6428153976
r7562347198
r8847961523
r9931528647

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.