Daily Logic Puzzle
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Choose up to three of eight switches to make six lamps match their targets. Each switch shows which lamps it affects, and overlapping effects cancel. Select or remove switches to work out the daily combination. Everyone gets the same daily puzzle, refreshed at midnight UTC. Today's puzzle is free in your browser with no account required; archive access is optional and paid. Built with substantial AI assistance for code and text, with human direction. Puzzles use a deterministic engine, with no runtime generative AI.

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Submitted by BillieM on Oct 20, 2026

Play Relay Budget
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