The Super Heavy Containment Zone, also know as SHCZ, was a planned unadded zone in SCP: Unity. Though this zone is not in-game, it's influence can already be seen, with SCPs from it such as SCP-106 using their capabilities to breach all the way to the Light Containment Zone.
Rooms[]
As the game was cancelled, no rooms are currently in-game.
SCPs[]
Note that this list may no longer be accurate. Only two of these SCPs can currently be found in-game.