Hashi Bridges (Hashiwokakero) is a Japanese logic puzzle where islands sit in a sea of empty cells, each island labelled with a number. Your task is to connect all the islands with horizontal and vertical bridges such that each island has exactly as many bridge connections as its number, bridges do not cross each other, and all islands are connected into one network.
Each connection between two islands can carry one or two bridges (a single or double bridge). Planning which connections are single and which are double — while ensuring every island reaches its required count and the whole network stays connected — is the core logical challenge. Hashi Bridges is satisfying because it feels like a genuine engineering problem: plan the infrastructure so everything connects, nothing exceeds capacity, and there are no dead ends.
Hashi Bridges Now features automatic bridge drawing — tap two adjacent islands to place or upgrade the connection, tap again to remove it. An island glows when its bridge count matches its number, making progress visually immediate. A connectivity validator shows whether your current configuration forms one connected network (required for the win condition).
Difficulty in Hashi Bridges scales through grid size, island density, and the tightness of constraints. At Beginner level, many islands have obvious forced connections. At Cyborg, every connection decision has ripple effects, and bridges that look harmless early can make connectivity impossible later.
The game includes a hint system at lower difficulties that indicates which island has a forced connection — useful for learning the logical patterns that experienced Hashi solvers use automatically. Daily challenges, challenge links, and a personal best tracker make Hashi Bridges a compelling daily habit puzzle.
From Beginner to Cyborg ☠ — seven difficulty levels grow with you. Change difficulty any time using the dropdown at the top of the page.
Play Hashi Bridges free online — no download required, no sign-up needed. Hashi Bridges is a browser-based Puzzle game you can play on any device, any time. Challenge yourself with 7 difficulty levels, compete on the daily leaderboard, and share your score to challenge friends directly.
The daily challenge resets every midnight — build your streak and beat your personal best. Every game is fully playable on desktop and mobile without any installs.