Diamond Nonogram (15×15)
This is the Diamond 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
- Hard
- Filled squares
- 78 of 225
- Longest run
- 9
- Typical time
- 20-40 min
- Category
- RPG & game icons
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How this board opens
The overlap rule is stingy here: one sweep of it across every row and column yields 48 of the 225 cells, 21%, so most of this board has to be argued for rather than read off. The most generous opening is row 1, which gives up 15 cells on its own. 2 of the 30 lines are decided outright by their clues, with no room to slide. Straight line logic carries it to 161 cells and then stalls, so the last 64 need cross-referencing between a row and a column that share a cell. The finished picture fills 78 cells, and the longest unbroken run anywhere in the clues is 9.
About this category
This is the vocabulary of a game interface rather than the furniture of a fantasy novel: breastplates and shoulder guards, a dagger and a combat knife, a wand with an orb at its tip, a potion, a trebuchet, a troll, a spider, and the small abstract badges a game uses to tell you that something has happened — an achievement rank, a skull counting kills, a stack of gold. Some of it is medieval and some of it is modern, because the icon sets these come from cover whatever a game might need to put in a corner of the screen.
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