Happy Face Nonogram (15×15)
This is the Happy Face nonogram — a 15×15 picture logic puzzle. Use the number clues beside each row and column to work out which squares are filled, and the picture appears as you go. Every square can be deduced; you never have to guess.
About this puzzle
- Size
- 15×15
- Difficulty
- Normal
- Filled squares
- 78 of 225
- Longest run
- 8
- Typical time
- 20-40 min
- Category
- Everyday objects
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How this board opens
A first sweep of the overlap rule down the rows and across the columns settles 113 of the 225 cells, about 50%, which is enough of a skeleton to work outwards from. The most generous opening is row 1, which gives up 15 cells on its own. 6 of the 30 lines are decided outright by their clues, with no room to slide. From there the board finishes on row-and-column logic alone — there is no point where you have to try a cell both ways and see which one breaks. The finished picture fills 78 cells, and the longest unbroken run anywhere in the clues is 8.
About this category
Mugs, umbrellas, light bulbs, scissors — everyday objects has the most varied dimensions of any category on the site: eight distinct grid shapes, from a 5×5 and the catalog's only 5×15 board right up to 15×20 and 20×20. Nothing else here covers that much ground, which makes it the natural category to browse when you want a particular size rather than a particular theme.
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