This Is Not a Puzzle

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Ffree-to-play browser-based ARG and puzzle experience. The game consists of a series of levels presented as interactive web pages requiring players to explore HTML code, decode ciphers, solve binary/ASCII/Base64 puzzles, and discover hidden multimedia clues. It’s often described as a spiritual predecessor or companion to the legendary puzzle game Notpron, offering an eerie, labyrinthine journey through web-based riddles and challenges.

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Website
https://thisisnotapuzzle.com/

System requirements for PC

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Last Modified: Jun 19, 2025

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