Wirefill (Demo) Devlog - itch.iohttps://ndl-tech.itch.io/wirefillOne wire. Every cell. A 10-level logic puzzle demo. No ads, no account.https://ndl-tech.itch.io/wirefill/devlog/1771526/how-every-wirefill-level-is-proven-to-have-exactly-one-solutionHow every Wirefill level is proven to have exactly one solutionhttps://ndl-tech.itch.io/wirefill/devlog/1771526/how-every-wirefill-level-is-proven-to-have-exactly-one-solutionThu, 12 Nov 2026 04:33:09 GMTdevlogWirefill is a small puzzle: draw one wire through every cell of a grid, touching the numbered pins in order. A puzzle like that is only fair if there is exactly one answer. If there are two, a player...

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