Sudoku X: Diagonal Puzzle Game

Sopivasti

About this game

Sudoku X adds a twist to classic sudoku: both main diagonals must also contain the numbers 1-9. This extra constraint creates more challenging and satisfying puzzles.

FEATURES
- Four difficulty levels: Easy, Medium, Hard, and Expert
- Daily puzzles: Three fresh challenges every day
- Unlimited puzzles: Play as many as you want, whenever you want
- Pencil marks: Track candidates for each cell
- Smart highlighting: See related cells, matching numbers, and diagonal constraints
- Customizable assists: Toggle error checking, region highlighting, and auto-cleanup
- Dark mode and multiple color themes
- Share your results with Wordle-style graphics

HOW TO PLAY
Fill the grid so every row, column, and 3x3 box contains 1-9. In Sudoku X, the two main diagonals crossing the grid must also contain 1-9 without repeats.

WHY SUDOKU X?
No advertisements. No premium unlocks. No daily limits. Just puzzles.

What’s new

Feel free to report bugs/share ideas thanks