About game
Staring at a blank screen during a coffee break feels like a missed chance to sharpen your mind. Sudoku: Classic & New Modes arrives just in time to transform those idle moments into satisfying cerebral challenges. You fill grids by ensuring every row and column contains unique digits without repetition. Smaller 6x6 layouts help you warm up before tackling the rigorous 9x9 grids that test your patience. Logic takes center stage as you toggle notes to track potential placements and eliminate errors. Daily challenges keep your streak alive while the weekly trail pushes you to reach new personal records. Custom palettes let you change the board look whenever you crave a fresh aesthetic. Clear your mental fog and play Sudoku: Classic & New Modes instantly in your browser without any annoying downloads.
How to play
Fill every empty cell with a number.
In a 9×9 puzzle, each row, column, and 3×3 box must contain the numbers 1–9 exactly once. In a quick 6×6 puzzle, each row and column must contain 1–6 exactly once, and each 2×3 box follows the same rule.
Select an empty cell, then tap a number or use the keyboard. Turn on Notes to mark possible numbers. Use Erase to clear a cell and Undo to reverse your last move. Related cells are highlighted, and mistakes are gently marked. A Hint fills the selected empty cell.
Complete the whole grid correctly to solve the puzzle and earn mastery stars.
Features
- Mastery Stars: Earn top rankings by completing grids without using a single hint or error correction.
- Progress Tracking: View detailed statistics to monitor your speed and accuracy across different difficulty levels.
- Dynamic Grid Sizes: Switch between compact 6x6 layouts for speed runs and standard 9x9 setups for deep concentration.
- Visual Assistance: Utilize smart highlighting to spot related cells and rows instantly during intense solving sessions.
Who is it for
Puzzle lovers who enjoy quick logic drills will find this rhythm satisfying. Busy professionals wanting a mental reset during short breaks appreciate the immediate access. Math enthusiasts looking to maintain sharp cognitive skills through daily number practice will also enjoy the structured progression and tracking systems included here.
Controls
Select cell
Tap or click on any empty square to highlight it.
Input number
Tap the number buttons on the screen or press keys 1 through 9 on your keyboard.
Notes mode
Toggle the pencil icon to jot down candidates in a cell.
Clear entry
Tap the erase button to remove digits from a selected square.
FAQ
Can I play Sudoku: Classic & New Modes on my phone?
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Yes, Sudoku: Classic & New Modes is fully optimized for mobile browsers so you can solve puzzles on the go.
Does Sudoku: Classic & New Modes require an account?
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No registration is needed to enjoy Sudoku: Classic & New Modes since all your progress is saved directly to your browser.
How do I use hints in Sudoku: Classic & New Modes?
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Select a cell and tap the hint icon to have the game reveal the correct number for that specific spot.
