Black out the duplicates, but keep the unshaded cells all connected and never let two shaded squares sit side by side.
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How to play
A grid is filled with numbers. Shade out cells until no number appears more than once in any row or column. Two shaded cells may never be horizontally or vertically adjacent, and every unshaded cell must remain connected into a single group.
Shade cells so each row and column has no repeated number
Never place two shaded cells next to each other
Keep all unshaded cells joined in one connected region
Use these three rules together to find the single solution
Controls
Desktop: click a cell to shade it; click again to mark it safe or clear it
Phone & tablet: tap a cell to shade, tap again to clear
Game modes
Difficulty: easy, medium and hard grids
Daily puzzle plus an endless practice mode
Tips & strategy
A number sandwiched between two equal values must usually stay unshaded
If shading a cell would isolate a corner, it has to remain unshaded
Once a cell is shaded, all four neighbours are guaranteed safe
About Shade Out
Shade Out is the classic cell-shading logic puzzle, rebuilt as an original, solver-verified free browser game with multiple difficulties and a daily challenge.
A free, original browser game on PlayPendium. No download, no install.
