Sudoku Clear vs Number Link

Sudoku Clear is a focused 9x9 Sudoku app built for readable solving. Fill each row, column and 3x3 box with the numbers 1-9. Start with Levels Play 4,381 numbered levels. Complete a level to unlock the next, replay completed levels, and return to your saved puzzle. Choose Free play Pick Easy, Medium or Hard outside the level sequence. Free play and Levels keep separate saved games on this device. Free play also records local solved counts and best times by difficulty. Tools for focused solving - Row, column, box and matching-number highlights - Pencil notes in fixed positions - Erase, Undo and Redo - Optional mistake highlighting and remaining-number counts - Optional hiding of completed number keys - Optional haptics and key sounds - A quick rules guide No account is required. Progress is saved on this device, without cloud sync. The app includes banner advertising, with no full-screen ads during puzzles. Advertising privacy options appear in Settings where available.

Draw ONE line. Hit the numbers in order. Fill the whole grid. Can you solve it before the clock runs out? Number Link is a clean, one-line path puzzle built on pure logic. No luck, no guessing, just you and the perfect path waiting to be found. This is the "Zip" style: not connecting pairs, but tracing a single continuous line that winds through the entire board. One line. One solution. Can you find it? HOW TO PLAY - Start on the cell marked 1. - Drag one continuous line through the numbers in order: 1, then 2, then 3, and on. - Cover EVERY cell on the board exactly once, never cross your own line, and never pass through a wall. - Solve it before the 90-second timer runs out. Every level has exactly ONE solution, so you never have to guess. Just you, the grid, and that perfect "aha" moment when the whole path locks into place. ONE LINE, FULLY IN YOUR CONTROL Changed your mind? Grab any point on your line and drag to re-route it, the path is fully editable. Undo a move, or reset the grid and start fresh anytime. Stuck on a tough one? Tap a hint for a nudge in the right direction. 500 HAND-CRAFTED LEVELS A real difficulty curve, not random filler. Grids start tiny at 3x3 so anyone can jump in, then grow step by step. As you climb, the boards add more walls and give fewer clues, so the puzzles get genuinely brain-bending while always staying 100% solvable by logic alone. FEATURES - One continuous line: connect the numbers and fill the grid with a single path - Pure logic, never luck: every level has exactly one solution, no guessing required - 500 hand-crafted levels: from easy 3x3 grids to clever, wall-packed challenges - Beat the clock: 90 seconds per level adds a satisfying spark of pressure - Fully re-editable line: drag, undo, or reset anytime, and grab any point to re-route - Stuck? Tap a hint for a nudge whenever you need it - Clean black-and-white design with full dark mode - One-handed play: solve anywhere with just your thumb - Play fully offline: no internet needed, perfect for travel and commutes - 6 languages: English, Turkish, Spanish, German, Russian, Portuguese - Free to play, no sign-up and no account needed A BRAIN TEASER THAT RELAXES YOU Some puzzle games stress you out. Number Link does the opposite. The minimal design, the single clean line, the gentle logic. It is the kind of game you reach for to slow your brain down and sharpen it at the same time. Great for a coffee break, a commute, or winding down before bed. If you love logic puzzles, brain teasers, one line and one stroke games, path puzzles, number puzzles, sudoku, nonogram, or flow-style games, Number Link will feel right at home on your phone. Draw one path. Fill the grid. Train your brain. Download Number Link and trace your first perfect line today.