Find a route from Start to Exit with the exact target total on a 4×4 number grid. Move up, down, left or right without visiting a square twice; Start and Exit count zero. Unlimited edits and Undo. 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.

Submitted by BillieM on Oct 20, 2026

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