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SCP-1678 Overview and Entities

Sep 11, 2025,

Overview

This note summarizes the anomalous characteristics, possible origins, and notable entities within SCP-1678, an underground Victorian-style duplicate of London created for post-disaster human survival.

Description and Structure of SCP-1678

  • SCP-1678 is a full-scale, Victorian-style duplicate of London located one kilometer beneath the real city.
  • The city replicates London’s street and building layouts, but structural anomalies increase with distance from the Houses of Parliament.
  • Central buildings use traditional materials; outer structures may use odd materials like copper pipes or lack essential features.
  • SCP-1678 appears to have been created instantaneously via unknown means.

Habitation and Infrastructure

  • The city is sparsely lit by gas lighting, with some lights appearing as floating orbs.
  • Intended for mass housing, with bunk beds in every suitable building, but most spaces are unfit due to mold, dampness, and poor construction.
  • Food is dispensed from vending machines as an edible gel called Dr. Goodie’s Wonder Food, sustaining life but leading to malnutrition and behavioral changes with long-term use.
  • Foundation personnel are prohibited from consuming the city's food.

Notable Locations and Artifacts

  • A replica of the Natural History Museum is present, displaying anomalous exhibits such as "The Fall of Man."
  • The Foundation aims to expand its controlled perimeter to reach key sites like the museum and the Houses of Parliament.

Audio Recordings and Announcements

  • Entry triggers a recording suggesting global disaster, collapse of containment groups, and SCP-1678 as a sanctuary for survivors.
  • Recordings provide warnings about restricted areas, anomalous threats (mimetic creatures, pattern screamers), and possible signs of possession.
  • Messages reference punishment and betrayal, hinting at the fate of various entities within the city.

Anomalous Entities

  • "Bobbies": Reanimated, weapon-wielding corpse constructs acting as city police, highly aggressive and resilient.
  • "Eyes in the Sky": Small, avian drones made of organic and copper parts, used for surveillance.
  • "Wretches": Ragged humanoids who beg and disappear in smoke if given food, associated with betrayal and eternal punishment.

Open Questions

  • The origins and intended purpose of SCP-1678 remain unknown.
  • The process of the city's creation and the formation of its entities is unexplained.
  • Motivations behind the transformation of inhabitants into entities like Bobbies and Wretches are unclear.