Coin Purse Nonogram (20×20)
This is the Coin Purse nonogram — a 20×20 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
- 20×20
- Difficulty
- Normal
- Filled squares
- 86 of 400
- Longest run
- 10
- Typical time
- 45-90 min
- Category
- RPG & game icons
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How this board opens
A first sweep of the overlap rule down the rows and across the columns settles 211 of the 400 cells, about 53%, which is enough of a skeleton to work outwards from. The most generous opening is row 1, which gives up 20 cells on its own. 12 of the 40 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 86 cells, and the longest unbroken run anywhere in the clues is 10.
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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