Element Air Nonogram (20×20)
This is the Element Air 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
- Hard
- Filled squares
- 118 of 400
- Longest run
- 20
- Typical time
- 45-90 min
- Category
- Alchemy
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How this board opens
The overlap rule is stingy here: one sweep of it across every row and column yields 58 of the 400 cells, 14%, so most of this board has to be argued for rather than read off. The most generous opening is row 20, which gives up 20 cells on its own. One of the 40 lines is decided outright by its clue, with no room to slide. Straight line logic carries it to 138 cells and then stalls, so the last 262 need cross-referencing between a row and a column that share a cell. The finished picture fills 118 cells, and one run in the clues is 20 long — near enough the full span of a line that it fixes itself the moment you reach it.
About this category
Symbols, vials, and half-finished experiments — the alchemy set leans into the visual clutter of a wizard's workbench, which turns out to be a good fit for nonograms: lots of small internal detail means real clue interplay between rows and columns, not just one big blocky silhouette. Most of the set sits at 15×15, the size where cross-referencing actually starts to matter, with a couple of full 20×20 boards for anyone who wants a longer sit-down solve and a few 10×10s at the gentler end.
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