Bluehour · Abyssal Signals
An original deep-sea timing puzzle: identify one faint upward particle track among noisy optical-sensor flashes. Pick one flash per sensor, seek a constant positive arrival gap, compare track residuals and recover eight uniquely solvable shifts. Keyboard and pointer controls, guide, clear picks and local completion journal. Inspired by November 2026 KM3NeT/ORCA research; fictional rules, not a scientific simulation. Original MIT game; no upstream code or assets. GitHub candidate reference ONLY: https://github.com/susam/invaders (181 stars observed November 6, 2026, MIT, pushed April 9, 2026), rejected because existing Starline Defense has close formation-shooter gameplay. Metadata tags: github-source, game.
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