A longer pause usually indicates the end of one digit and the start of the next.

Since the door codes are numeric, players mostly need to recognize the Morse digits: . - - - - 2: . . - - - 3: . . . - - 4: . . . . - 5: . . . . . 6: - . . . . 7: - - . . . 8: - - - . . 9: - - - - . 0: - - - - - Tips for Solving the Code

"Echoes in the Abyss" is an immersive piece that invites listeners to contemplate the theme of "nullxiety morse code." The distorted Morse code pattern and unsettling atmosphere evoke a sense of disorientation and unease, reflecting the anxiety and uncertainty of navigating a seemingly meaningless world.

The piece features a repetitive, pulsing pattern reminiscent of Morse code, but with a twist: the code is intentionally distorted and disjointed, reflecting the theme of "nullxiety."