Toehold · Petal Exchange
An original strand-displacement puzzle: trade one free ribbon into a chamber when its right-hand key matches the resident left-hand dock; the displaced ribbon becomes your next key. Restore all lettered ribbons to their matching outlines across eight exactly solver-checked experiments. Shortest-route nudges, undo, keyboard/pointer controls, optional synthesized sound and device-local gold petals. Fictional symbolic rules inspired by recent programmable DNA-origami nanomachines, not a molecular simulation. Research inspiration: https://www.uni-stuttgart.de/en/university/news/all/Programming-membrane-transport/ . Original game code and procedural artwork MIT; full readable source and license bundled. No upstream game repository or reused third-party game code/assets. GitHub candidate research reference ONLY: https://github.com/maxwellito/breaklock (331 stars observed November 5, 2026; MIT; pushed October 21, 2026), rejected because already cataloged. This is the original-game fallback after popular candidates were duplicate, server-dependent or lacked clear asset licenses. Metadata tags: github-source, game.
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