ThePuzzleLabs

Hashi

Hard

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Play Hard Hashi — ThePuzzleLabs

Try this Hard Hashi puzzle on ThePuzzleLabs.

00:00
Classic
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Click an island to select it, then click a neighbor to place a bridge. Click again for a double bridge.

How to Play

Connect islands with bridges so each island's number matches its bridge count. All islands must form a single connected group.

👆

Click an island to select it, then click a neighbor to place a bridge.

🔄

Click an existing bridge to cycle: single → double → remove.

🚫

Bridges run horizontally or vertically and cannot cross each other.

🔗

All islands must be connected in one group when you finish.

💡

Use hints if you're stuck — up to 3 per puzzle.

🏆

Connect every island correctly to complete the puzzle.

Keyboard shortcuts
UndoU / Ctrl+Z
RedoCtrl+Y
HintH
DeselectEsc

Reveal the Solution?

This will fill in all bridges. The puzzle will be marked as "solved with reveal."

About hard hashi

Larger grids (up to 15×15) with 18 to 30 islands. The forced-bridge pass solves less of the puzzle upfront, and you need to combine elimination with connectivity reasoning. If removing a candidate bridge would isolate an island cluster, that bridge is required.

Hard hashi rewards patience. Work outward from the forced bridges, tighten the constraints with elimination, and use connectivity as the tiebreaker. If you think you need to guess, you've missed a deduction.

How To Play Hashi