Strategy Guide

Introduction
There are several techniques that can be systematically applied to solve any Picture Cross puzzle.Some of the most useful ones are described...

1. Simple Boxes
If a line has a single number clue less than the total length of the line, but greater than half of the total length of the line, the square...

2. Anchoring
When a square at one of the edges of the grid is filled, we can deduce that this square is part of the first (for left and top edges) or las...

3. Joining and splitting
If a line has a single number clue, and there are already two or more separate blocks of squares filled on the line, the gaps between those ...

4. Free space
Any empty squares on a partially completed line that are too distant to form part of any of the blocks described in the clue can be determin...

5. Punctuation
Once one or all blocks described in a line's clue have been placed, we can add Xs to the empty cells to add information to the perpendicular...