

In Gate A's ending, the player will watch as SCP-106 spawns and attempts to escape the site by a large MTF (MTFs being the Foundation's private military) swarm of soldiers. Going through either reveals that the facility is located in a sunny, snowy cluster of mountains. The only exits to the site is Gate A and Gate B, large blast-doors that lead to the exterior of the site.


Other rooms in the entrance zone include the cafeteria, conference room, electrical center, server farm, WC, lockrooms, SCP-860's testing chamber, and SCP-079's containment cell. It contains several offices, both public ones and doctor quarters (specifically Dr. The Entrance Zone is a large office complex that has its walls marked with yellow stripes. The HCZ's interior is mainly dark and dirty, resembling that of a monster-infested sewer lacking water. It also contains the site's warheads, which are used to nuke the site in catastrophic scenarios.

It is primarily constructed of cylindrical tunnels, catwalks, large testing chambers, and server rooms. The Heavy Containment Zone contains solely Keter or high-ranking Euclid classed SCPs, and is where the most dangerous of the Foundation's enemies reside. The LCZ's interior is mainly bright and clean, resembling that of a hospital. The SCPs contained in the LCZ include 173, 914, 372, and 012. These residences include the Class-D cells, Class Ds being shipped-in death-row inmates who act as human lab rats for the Foundation's experiments, the office section where the researchers/scientists work, the storeroom where the researchers' information is stored, storage rooms where electronic equipment is kept safe, and hallways connecting these lodges. The Light Containment Zone contains mainly Safe or low-ranking Euclid classed SCPs, and is where most of the personnel reside/work. In SCP - Containment Breach Light Containment Zone
