Need help solving a Hashi puzzle? Use this app to find the solution!

Enter your puzzle in the easy-to-use puzzle editor. Watch the app try different combinations of bridges to solve your puzzle.

Take pictures of your favorite puzzles. Save puzzles for later, or load puzzles you saved previously.

NOTE: This app does not provide puzzles for you to solve. You bring the puzzle, the app gives you the answer.

About the game of Hashi (hashiwokakero, 橋をかけろ)

Hashi is a bridge building game. Islands are planted on a grid, and each island has a number from 1 to 8. Solve the puzzle by drawing bridges between the islands, obeying the following rules:

1. The total bridges on each island must match the number.
2. Bridges must run north-south or east-west.
3. Bridges can’t cross other bridges or islands.
4. No more than two bridges can connect the same pair of islands.
5. All the islands must be connected together.