Sliding Puzzle Guides
Step-by-step solving methods, the maths that makes half of all sliding puzzles impossible, and the story of the 15 puzzle. Every guide has boards you can try as you read.
How to solve
- How to Solve a Sliding Puzzle, Step by StepA reliable layer-by-layer method for any sliding tile puzzle, from the 8 puzzle (3×3) to the 15 puzzle (4×4) and 5×5, with boards to practise on as you read.October 27, 2026 · 6 min read
- How to Solve the Last Two Rows of a Sliding PuzzleWhy the last two rows of a sliding puzzle feel stuck, the column-by-column pair method that solves them, and how to escape the position that traps everyone.October 27, 2026 · 7 min read