Kindcipher · The Letter Desk
Peel real encoding layers off twelve cozy letters: inspect each string, choose Base64, hexadecimal, ROT13, URL decoding, reversal or textual wrapper removal, and find the words underneath. Actual nine-operation transform engine and move/undo state from Peel by Charlie Krug; original letter puzzles, guide, nudges, bounded rewrapping tools, keyboard/native touch controls, optional sound and device-local collection. Source: https://github.com/ctkrug/peel (MIT; 0 observed stars November 9, 2026; maintained July 9, 2026; commit 67396573e74f742bd50e5283e2538fe85194fbcc). Selected below the star preference after popular maintained candidates duplicated the live catalog. Original GPT paper and four opening-envelope states bundled locally. Wrapper parsing and all message content remain inert text; no payload execution. Metadata tags: github-source, game.
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