Multiple difficulties
Move from easy warmups to expert deduction.
Play Sudoku online with a cleaner interface and better rhythm on every screen.
SudokuX keeps the board readable, the controls close, and the extra UI out of the way. Play casually, chase daily Sudoku streaks, or compete in timed runs without fighting the layout.
Daily challenge
A fresh board every day with streak pressure.
Ranked runs
Finish clean and compare your time on the leaderboard.
Smart tools
Notes, checks, hints, restart, pause, and resume.
Live preview
Large board, compact chrome, no visual pileup.
5
3
7
6
1
9
5
9
8
6
8
6
3
4
8
3
1
7
2
6
6
2
8
4
1
9
5
8
7
9
Session
08:42
Number pad and controls stay close to the board.
Ranked runs
Daily plus leaderboard support
Timed and untimed Sudoku
Start easy, medium, hard, or expert boards and choose between ranked timed play or relaxed untimed practice.
Daily challenge and streaks
Return every day for a fresh Sudoku challenge, keep your streak active, and build a steady solving habit.
Leaderboards and saved progress
Compare clean finishes on the leaderboard and resume in-progress boards with autosave when you come back.
Internal linking
Explore Sudoku pages by topic and difficulty
These pages help both players and search engines understand the site structure. They also give you direct paths into the most useful Sudoku content and play modes.
Sudoku help
Read the guideBeginner guide and common Sudoku questions
Helpful content gives search engines more than a game shell to understand. It also helps new players find the site for real questions, not just brand searches.
Can I play Sudoku online without a timer?
Yes. SudokuX lets you start untimed practice boards when you want a relaxed solve without leaderboard pressure.
Does SudokuX have a daily Sudoku challenge?
Yes. There is a daily Sudoku board with streak tracking so you can come back every day and keep a routine going.
How does ranked Sudoku work here?
Ranked runs are timed, signed-in games without reveal-solution use. Hint penalties and ranked rules are shown before each board starts.
Is SudokuX mobile friendly?
Yes. The board, number pad, and controls are designed to stay readable and easy to use on both phones and desktop screens.