How to Solve Pixel Logic: Picture Puzzle Tips
Pixel Logic puzzles never need guessing. Every filled cell can be proved from the numbers beside the rows and columns. That matters, because each wrong fill costs one of your five lives. These techniques work on the 5x5, 10x10 and 15x15 grids and will help you reveal the picture with lives to spare.
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Start with the big numbers
Look for clues that nearly fill a whole line. If a 10-cell row has a clue of 10, fill it all. If the numbers plus one gap between each run add up to the line length, the whole line is fixed: a 10-cell row with clues 4 and 5 must be four filled, one empty, five filled. Solve every line like this first.
Use the overlap trick
For a single big run, imagine pushing it as far left as it can go, then as far right. Any cells covered in both positions must be filled. In a 10-cell row with a clue of 7, the run covers cells 1 to 7 or 4 to 10, so cells 4 to 7 are certain. The same idea works with several runs, sliding them all to each side.
Mark the empty cells
Switch to Mark mode and place an X in every cell you know is empty: lines with a clue of 0, the cells beyond a finished run, and the gap that must separate two runs. Marks never cost lives, and they make the remaining space much clearer. Often a row that looked open has only one place left for its run once the X's are in.
Bounce between rows and columns
Every cell you fill or mark in a row gives new information to the column it sits in. After finishing a row, check each column it crosses for new deductions, then go back to the rows. This back-and-forth is how the whole grid unfolds. When you seem stuck, scan every line again rather than guessing.
Protect your lives
Only fill a cell when you can explain why it must be filled. If you are unsure, leave it or mark the cells you are sure are empty instead. You also have three hints per puzzle, which reveal a correct cell. Use one when a 15x15 grid stalls, rather than gambling a life on a guess.
Questions
- Can I solve every puzzle without guessing?
- Yes. Every cell can be worked out from the numbers, using the overlap and full-line tricks plus marked empty cells.
- Do X marks cost a life if they are wrong?
- No. Lives are only lost for filling a cell that should stay empty, but wrong marks can mislead you, so place them carefully.
- Which size should a beginner start with?
- 5x5. It teaches the overlap and full-line tricks before you move up to 10x10 and 15x15.
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