What you can do
Connect every island with bridges. That's the whole game — and it will hold your brain for hours.
Causeway is the classic Japanese bridge-building puzzle (also called Hashi) made calm, clean, and fair:
More app details
• 160 puzzles across four difficulty levels, from quick 7×7 boards to demanding 13×13 expert grids • Every puzzle is verified to have exactly one solution — no guessing required, ever • Tap an island, tap its neighbor, and the bridge appears. A second tap doubles it, a third clears it • A gentle Check button tells you if anything is off, without spoiling the answer • Your progress saves automatically after every move
THE RULES ARE SIMPLE Each island shows a number. Build exactly that many bridges to its neighbors. Bridges run straight, never cross, and at most two join the same pair. When every island is connected in one group, you win.
NO ADS. NO SUBSCRIPTION. NO ACCOUNT. Causeway is a one-time purchase. There are no ads between puzzles, no timers pushing you to pay, no "energy" to run out of, and nothing to sign up for. The app works completely offline — on a plane, in a waiting room, anywhere.
PRIVATE BY DESIGN Your puzzles and progress stay on your device. Causeway has no analytics SDKs, no tracking, and no network features at all.
Made for iPhone and iPad, with full VoiceOver support and Dynamic Type.
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