X Sums Sudoku Rules
Start solving X Sums Sudoku when you are ready.
- Sudokus available
Difficulty
Easy, Normal
Variant
Classic + X-Sum
Presets
para guardar tus modos de juego favoritos
- Sudokus available
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Start solving X Sums Sudoku when you are ready.
X Sums Sudoku completion rate
74%
Available X Sums Sudoku difficulty levels
4
X Sums Sudoku games played today
0
New X Sums Sudoku puzzles this week
0
Open the Academy lesson for X Sums Sudoku examples before you start.
Total Sudoku games played
1,600+
Available Sudoku variants
22
Playable Sudoku pages
4M+
Sudoku Academy lessons
3+
Little Killer Sudoku, Sandwich Sudoku and Killer Sudoku are natural next steps if you enjoy arithmetic-based Sudoku variants.
Yes. Notes can help track possible clue lengths, candidate totals and leading-digit possibilities.
No. The standard Sudoku rules still apply. X-Sums clues simply add another set of restrictions.
A fresh puzzle loads with the selected variant and difficulty. You choose your settings first, then the puzzle is generated when you decide to start playing.
No. The puzzle is loaded only after you press play. This lets you choose the variant, difficulty and other available options before starting.