Free game · No download
Sudoku game — play free online
The classic Sudoku game in your browser. No install, no account — just a clean board and unlimited rounds.
Play now · medium
Tap a cell, then a number
How the Sudoku game works
A Sudoku game starts with some cells filled (givens). Your job is to complete the rest so that every row, column and 3×3 box contains each digit from 1 to 9 exactly once. There is no score multiplier and no random loot — the satisfaction is pure logic.
Sudoku game modes on Zeloku
- Instant game — this page, unlimited New puzzle.
- Daily game — four shared boards every day.
- Kids / mini game — 4×4 and 6×6.
- Hardcore game — evil and extreme.
- Offline game — printable PDFs.
Tips for a better Sudoku game session
- Scan by digit (all the 5s) before hunting single cells.
- Use pencil marks when the board stops being scannable.
- Stop when it stops being fun — five focused minutes beat a frustrated hour.
- Learn one technique from the library each week.
FAQ
- Is Sudoku a game or a puzzle?
- Both. Sudoku is a logic puzzle designed as a single-player game: you fill a grid under constraints until every cell is solved. There is no luck and no arithmetic — only deduction.
- Can I play a Sudoku game free online?
- Yes. This page is a free Sudoku game with an instant board. Zeloku also offers daily games in four difficulties, kids mini games, a solver and printable packs — all free.
- Does the Sudoku game work on mobile?
- Yes. Tap cells and use the on-screen number pad. No app install is required.
- Are there Sudoku games for kids?
- Yes — 4×4 and 6×6 mini boards on Kids Sudoku and Mini Sudoku. They teach the same game rules with fewer digits.
- Is there multiplayer Sudoku?
- Zeloku is currently single-player. For a shared challenge, play the same daily board with a friend and compare finish times.