Nodelock: Logic Pipes

One solution. Always. Never a guess. Nodelock is a daily tile-rotation puzzle. Tap a tile to turn it 90°, mate every wire stub with its neighbour, and light the whole grid from a single amber source. That is the entire control surface: one verb, no menus, no failure state, no timer. WHAT MAKES IT DIFFERENT Every board is solvable by pure local deduction and has exactly one solution — not as a claim in a description, but as an acceptance gate. A board only ships if a search-free solver settles every tile with zero guesswork AND an independent search confirms no second solution exists. Boards that would make you guess are thrown away before you ever see them. WHY YOU'LL STAY • A free daily board, identical for every player worldwide • Two streaks: one for showing up, one for solving without a hint • Endless mode with an explicit difficulty picker, not an invisible ramp • A free archive —…