Cryptology at its best
It seems very cryptic at first but as you progress the game, you are provided more decoding tools and puzzles starts to make sense. But before you get the decoding tool, you need to figure out what the logic behind it first.
If you are intrigued by the idea of Enigma machine+ cryptology and decoding binary, Caesarian shift, morse code, etc. sounds fun to you, this will be very enjoyable (for me it was).
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The Guides, v1.3