XV Sudoku
The rule: X pairs sum to 10, V pairs sum to 5. Unmarked pairs do neither.
Play unlimited XV 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
XV sudoku puzzles in the library
- Fives and Tens — Sudoku·AD
- Easy Roman — Sudoku·AD
- Easy Fives and Tens — Sudoku·AD
- Soft Ten Count — Sudoku·AD
- Soft Numerals — Sudoku·AD
- Soft Roman — Sudoku·AD
- Soft Fives and Tens — Sudoku·AD
- Gentle Ten Count — Sudoku·AD
- Gentle Numerals — Sudoku·AD
- Gentle Roman — Sudoku·AD
- Gentle Fives and Tens — Sudoku·AD
- Roman Holiday — Sudoku·AD