Custom maintenance tunnel: No
Custom Forest: No (doesn't even have forest)
Used map creator: Standard map creator
This map was created for a purpose of completing the game on Keter difficulty in a short time and easily. Caution is still advised.
Feedback and bug reports are appreciated.
It is allowed to publish edited version of the map under condition you will mention rico6822 or his aliases or you are one of SCP: Containment Breach's developers.