High. These puzzles aren't meant for casual users; they require knowledge of steganography (hiding data in images), spectrogram analysis, and base64 decoding.
The letters are likely the initials of numbers in a specific language (for example, French: Un, Deux, Trois... does not fit, but One, Two, Three, Four, Five, Six, Seven, Eight in English results in O T T F F S S E ). Since your string uses O T F C P S S , it most likely follows the French numbering system: O - Onze (11) 00 X O T F C P S S 00 X rar
Deeply unsettling and minimalist. Like many ARGs (e.g., Cicada 3301 or Welcome Home ), it relies on the "uncanny valley" of old file formats and broken directory structures. does not fit, but One, Two, Three, Four,
Be extremely cautious when downloading .rar files from unknown ARG sources, as they can occasionally contain malware or "zip bombs" designed to crash your system. Be extremely cautious when downloading