Nonogram
Fill cells using the row and column clues to reveal the hidden picture. Left-click (or tap) to fill a cell, right-click (or long-press) to mark one as definitely empty.
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Numbers show runs of filled cells, in order, for that row or column.
About this game
Each puzzle is a grid with a hidden picture. The numbers along the top of each column and the left of each row tell you exactly how many consecutive cells are filled in that line, in order — a clue of "3 1" means a run of three filled cells, then at least one empty cell, then a run of one filled cell, somewhere along that row or column. Use logic to work out which cells must be filled and which must be empty, the same way you would solve one on paper.
Left-click or tap a cell to fill it in; click again to clear it. Right-click on a desktop, or press and hold on a touchscreen, to mark a cell with an X instead — a shorthand for "definitely empty" that helps you track your deductions without confusing them with unfilled cells you haven't decided on yet. Turn on "Highlight mistakes" to have any cell you've filled in error (where the picture is actually empty) turn red immediately, which is a handy way to learn the rules or catch a slip.
Five puzzles are built in, across two grid sizes — four at 10×10 and one larger 12×12 — each with its clues generated directly from the picture, so every one of them is solvable and has exactly one correct answer. Your solving time is tracked, and your best time for each puzzle is saved on this device.