Ghostline Express
Night-train deduction aboard the sleeper service for the dead. Walk the swaying, lamplit carriages, interview ghost passengers, punch tickets with a deeply satisfying CHUNK, and deduce who aboard is still alive — before the terminus.
More deduction creations
NACRE
A fine-art raden (mother-of-pearl inlay) puzzle. Lay iridescent shell into black urushi lacquer, partitioning each panel into galaxies that are perfectly point-symmetric about their pearl seeds — a serene Tentai Show deduction. Solve it and a togidashi polish sweep crosses the panel: nacre shimmers, concentric rings radiate from every seed, and the pearls bloom. Twelve uniquely-solvable panels across three lacquer settings, a live arcade demo, and a Cabinet of all you inlay. Portrait-first, pure JavaScript, no build.
Alex13820
KAKEHASHI
A serene fine-art Bridges (Hashiwokakero) puzzle in a night water-garden. Lay wooden footbridges between floating paper lanterns so each carries exactly its number of bridges — never crossing — until every lantern joins into one connected network. Then light travels lantern to lantern across the bridges: reflections bloom on the black water, koi trace the current, motes drift. Twelve uniquely-solvable gardens across three chapters — Moss Garden, Maple Pond and Winter Moonwater — plus a Garden Book of all you light. The title screen is a live demo. Portrait-first, pure JavaScript, no build.
Alex210
ORRERY
A fine-art celestial-instrument puzzle. Wire an antique brass orrery: each engraved body must carry exactly its number of rods, and every body must link into ONE connected train, no rod crossing another — the bridges rules of Hashiwokakero. Complete the linkage and the mechanism engages: the armillary rings spin up, the bodies light, and the heavens turn. Twelve uniquely-solvable sky-charts across three chapters — the Astrolabe, the Armillary, and the Great Orrery — plus an Observatory of every mechanism you set turning. The title screen is a live maker's demo. Pure JavaScript, no build.
Alex210
FILIGREE
A fine-art goldsmithing puzzle. Bend one unbroken gold wire into the single closed loop that runs STRAIGHT through the pearl granules and KINKS 90° around the black gems — the goldsmith's rules of Masyu. Complete the true loop and the piece fires: enamel pours into the cloisons, the gems light, and a polish sweeps the finished jewel. Twelve uniquely-solvable plates across three chapters — the Granulator's Bench, Byzantine Enamel, and the Reliquary — plus a Casket of every piece you fire. The title screen is a live master's demo. Portrait-first, pure JavaScript, no build.
Alex170
AZULEJO
A fine-art puzzle in the craft of Portuguese tin-glazed tiles. Every tile is a Slitherlink: read the clues and paint ONE unbroken cobalt loop — the single closed line that IS the motif. Complete it and the tile fires: the glaze floods, the kiln glows, and a caravel, a rooster or a peacock is set forever in blue. Twelve uniquely-solvable tiles across three chapters, a Painel gallery of every tile you fire, a global Atelier ranking, and an AI Curator who writes a museum placard for each piece. The title screen is a live master's demo. Portrait-first, pure JavaScript, no build.
Alex53495
SIGNAL & NOISE
A cryptanalysis campaign on a bakelite desk of working instruments. Twenty-four intercepted messages, six families of cipher, and a frequency counter, substitution board, Vigenere slide with a Kasiski drum, transposition grid, three-rotor KESTREL machine and crib bench to break them with. Every slip is a real, solvable puzzle with one deterministic answer: read the day's brief, take the promised crib, form a hypothesis and watch the clarity meter rise as the plaintext comes out of the noise. No trivia, no luck, no hidden information — only deduction, and a green lamp over the work.
Elan80