Nonocross Level 15 is a 6×6 nonogram with the answer PYRAMID. The completed grid contains 22 filled cells out of 36 total — a dense puzzle (61%). A balanced grid — use overlap technique and elimination in equal measure.
The puzzle is part of the Levels 1–60 range on the Nonocross Answers hub. Each number in a clue line represents one consecutive run of filled cells; runs are separated by at least one empty cell. The visual grid below shows the verified solution — the clue reference lists every row and column clue so you can cross-check your own attempt. Continue to Level 16 when ready.