Nonocross Level 4 Answer
4x4 grid, reveals: Helmet
Level 4 is a 4x4 grid with 13 filled cells out of 16. The easiest first move is Row 1: its clue 4 fills the whole line. Most players finish it in about 2 minutes. Below is the full solved grid, followed by every logical step if you would rather solve it yourself.
Level 4 solved grid
Filled cells are shaded. The numbers are the row and column clues from the game.
Checked by the Cluekite solver against all 4 row and 4 column clues on 27 October 2026.
Step-by-step hints for Level 4
Press the button to reveal one step at a time. Each step fills or crosses out cells in a single row or column, in the order a careful player would find them.
- Step 1: Row 1 - the clue 4 fills the whole line. (4 filled)
- Step 2: Row 2 - the clue 4 fills the whole line. (4 filled)
- Step 3: Row 4 - the clue 4 fills the whole line. (4 filled)
- Step 4: Column 2 - every block of 2 1 is already placed, so the remaining cells are empty. (1 crossed out)
- Step 5: Column 3 - every block of 2 1 is already placed, so the remaining cells are empty. (1 crossed out)
- Step 6: Column 4 - every block of 2 1 is already placed, so the remaining cells are empty. (1 crossed out)
- Step 7: Row 3 - with the cells already marked, only one arrangement of 1 fits these positions. (1 filled)
Level 4 at a glance
- Grid size
- 4x4
- Filled cells
- 13 of 16 (81 percent)
- Longest clue
- 4 in Row 1
- Logical steps
- 7
- Picture
- Helmet
- Difficulty
- Easy
- Other valid fillings
- no, the clues allow exactly one filling
The hidden picture
The finished grid draws: Helmet.
Tips for small grids
Small grids are mostly about counting. Add up each clue plus one gap between blocks; if the total equals the line length, the line is fully decided. Fill those first, then let the columns finish the rest.
Where players go wrong on Level 4
- The longest line is Row 1 with the clue 4, and it is a full line: its blocks and gaps add up to the whole length, so fill it first and let it anchor the lines that cross it.
- Row 3 has the fewest filled cells (1). Cross out its empty cells early; they keep the columns honest.
- The last line the logic finishes is Row 3. If you are stuck there, every other line is already done, so recount its clue 1.
Does your Level 4 look different? Email us with a screenshot and we will check it.