The Exterior Containment Zone, also know as ExtCZ, is a zone in SCP: Unity. The zone is upcoming and will be added at an as of yet unannounced date.
Rooms
As the Exterior Containment Zone is yet to be added, no rooms are currently in-game or announced. However, it has been announced that this zone will be surrounded by a large dome.
SCPs
Note that this list may no longer be accurate. None of these SCPs are currently in-game.