Hashi Strategies: The Deductions That Solve Most Bridges Puzzles
The Hashi (Bridges) techniques in the order you need them: corner 4s, lonely 1s, crossing blocks, closed groups and what-if reasoning, with worked grids.
Bridges (Hashi) guides and strategies
How to play Hashiwokakero, the deductions that solve it and the mistakes to avoid.
Bridges for Sudoku Players: What Carries Over and What Is New
If you like sudoku, Bridges (Hashi) will feel familiar. The sudoku habits that carry over, the two new ideas, and a first 7x7 puzzle solved step by step.
Common Bridges Puzzle Mistakes, and How to Avoid Them
Six mistakes that trip up Bridges (Hashi) players, from over-building and missed crossings to closed pairs and guessing, and how to backtrack calmly.
Hashiwokakero: The Story of the Bridge Puzzle
Where Hashiwokakero came from: a Nikoli reader called Lenin, chemistry diagrams, the 1990 debut, what the name means, and its other names around the world.
How to Play Bridges (Hashi): Rules and a First Puzzle
The six rules of Bridges (Hashi), what the numbers on the islands tell you, and a small first puzzle solved move by move, with a diagram at each stage.
The Connectivity Rule: How "Everything Must Join" Solves Hashi
Why Hashi (Bridges) forbids closing off a group early, the 1-1 and 2-2 traps, how to count what a group still needs, and a full puzzle solved with these ideas.