Whisper Sudoku
The rule: Along a green line, neighbouring digits differ by at least 5 on a 9×9; on other sizes, by half the digit range rounded up (3 on a 6×6).
Play unlimited Whisper puzzles free — every one generated with a unique solution, rated by the solving techniques it actually needs.
- Four difficulties, from gentle to expert
- Step-by-step hints that teach, not just tell
- Interactive lessons and a daily race
- Make and share your own puzzles
Whisper sudoku puzzles in the library
- Middle Distance II — Sudoku·AD
- Middle Low Voices — Sudoku·AD
- Easy Whispers — Sudoku·AD
- Middle Aside — Sudoku·AD
- Middle Hush — Sudoku·AD
- Middle Undertone — Sudoku·AD
- Middle Whispers — Sudoku·AD
- Steady Aside — Sudoku·AD
- Steady Distance — Sudoku·AD
- Steady Low Voices — Sudoku·AD
- Steady Hush — Sudoku·AD
- Steady Undertone — Sudoku·AD
- Steady Whispers — Sudoku·AD
- Easy Hush — Sudoku·AD
- Easy Undertone — Sudoku·AD
- Soft Aside — Sudoku·AD
- Soft Distance — Sudoku·AD
- Soft Low Voices — Sudoku·AD
- Soft Hush — Sudoku·AD
- Soft Undertone — Sudoku·AD
- Soft Whispers — Sudoku·AD
- Gentle Aside — Sudoku·AD
- Gentle Distance — Sudoku·AD
- Gentle Low Voices — Sudoku·AD
- Gentle Hush — Sudoku·AD
- Gentle Undertone — Sudoku·AD
- Gentle Whispers — Sudoku·AD
- Five Apart — Sudoku·AD
- Under Your Breath — Sudoku·AD
- Keeping Distance — Sudoku·AD
- Quiet Please — Sudoku·AD