Build Bridges
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Strategy Games · 6-12📘 How to Play Build Bridges
Build as many bridges as each island's number. Tap two islands; a second tap doubles the bridge.
🧠 What it builds
Short, regular sessions (10-15 minutes a day) work better than one long sitting.
📱 Where it runs
Works in the browser on phone, tablet and desktop — no install, no sign-up. Turn the phone sideways and the layout rearranges itself, keeping every control finger-sized.
🎯 Who it is for
Designed for ages 7-12.
❓ Frequently Asked Questions
How do I remove a bridge?
The 🔄 Clear button removes every bridge on the level so you can start over — the cleanest way out when stuck.
Why can't I bridge two islands?
Another island or a crossing bridge is in the way, or the islands are not in the same row/column. Bridges only run straight.
Are the levels solvable?
Yes. In the first version a hand-written level turned out unsolvable; levels are now generated backwards from a solution and verified.
How does a finished island look?
An island whose number is complete switches to a filled "done" look, so you can see at a glance which islands are finished.
What is this puzzle called?
In Japan it is "Hashiwokakero" (bridges), one of the classic logic puzzles.
