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Sudoku Online Free

Technology : HTML5
Rating : N/A
Released : April 2024
Platform : Browser (desktop, mobile, tablet)

Sudoku offers a brain-tingling experience, presenting the timeless logic-based, combinatorial number-placement puzzle in a digital format. With an endless array of puzzles ranging from easy to devilishly difficult, it's perfect for beginners and seasoned pros alike. Whether you're looking to pass time or engage in serious brain training, Sudoku Supreme provides an intuitive, feature-rich platform for all your Sudoku needs.

How to Play

On Computer

  • Click on a cell to select it and then click a number from the game's number palette to fill it in.
  • To help with solving strategies, you can also place notes. Just select the cell and right-click numbers from the palette to add or remove notes.
  • The objective is to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 subgrids that compose the grid (also called "boxes", "blocks", or "regions") contains all of the digits from 1 to 9.
  • The puzzle starts with a partially completed grid, which you must fill in to solve.

On Mobile

  • Tap on a cell to select it, then tap the number you wish to place in that cell from the on-screen number palette.
  • For notes, long-press the number in the palette after selecting a cell to toggle note mode, allowing you to add or remove numbers as potential candidates.
  • The goal remains the same: fill every row, column, and 3×3 box with the digits 1 through 9, without repeating any numbers within the row, column, or box.
  • The game provides a partially filled grid, which you need to complete to solve the puzzle.

Tips and Tricks

  • Start with the obvious moves first. Look for rows, columns, or blocks with the most numbers already filled in.
  • Use the process of elimination. If a number can only go in one spot considering the current layout, place it.
  • Practice pattern recognition. Identifying common patterns can help solve sections of the grid more efficiently.
  • Don't guess — use logic. Sudoku is a game of logic, and every puzzle has a logical solution.


  • Computer: Click to select cells and numbers, right-click for note-taking.
  • Mobile: Tap to select and place numbers, long-press for notes.

Gameplay Videos

Include links to gameplay tutorials, advanced solving techniques, and walkthroughs of challenging puzzles to help players of all skill levels improve and enjoy.