The desktop browser game Classic Sudoku can be an immersive game that challenges the thinking capacities of individuals. The browser game is complete only when all the rows, columns, and sub-grids are filled with the right numbers as required. You can also take the help of hints to proceed with grid completion in case you are stuck at some stage. The feature of highlighting duplicates enables identification of any repeating number. The game also has daily challenges that need to be completed and opportunities for trophy collection. The game provides a great mental exercise and is suitable for beginners as well as advanced level players. You can play the Classic Sudoku game in four levels of difficulty, ranging from easy, medium, hard, and expert level games. While this may sound simplistic, playing the game can be quite a challenge as only a few numbers are spread out as hints and the player needs to figure out the rest by matching them as per the rules of non-repetition of numbers for any row, column, or sub-grid. The entire grid is broken down into 9 subgrids, with each subgrid having 9 boxes to be filled with numbers from 1 to 9 each. The Classic Sudoku game is played in a 9x9 grid, in which each row and column of the grid must carry numbers from 1 to 9 without any repetitions.

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