Level -10

Description:
Level -10 resembles an Underground city, being mostly made of marble.

This Level Is Hard to access, and the size of this level seems to be only 4000 square km. This level has lots of places: hospitals, schools, apartments, shops and everything else a normal urban area would have. The sanity effect here is as same as level 1's, but its easy to find almond water fountains to stay sane. There are two floors in Level -10

The ground floor which is safest one, and where you end up when entering this level. It has no entities and there are buildings (that listed above) in this floor

The basement which seems to be an electrical plant being unsafe and having entities here. There is also a lot of mysterious machinery that is futuristic.

There are also train stations all over this level, and can be very useful when traveling this level. But after traveling 10 stations by train, the eleventh will lead you to level to The Metro.

Colonies and outposts:
The Citizens of the Marble District

Consists of 8 people. They are not open for trading, but are very friendly. Their goal is to map the upper floor, and have mapped 6%.

The Backroom Colonists

One of the main partygoer residential sites of the group, consisting of hundreds, if not thousands of friendly partygoers who live mostly in the lower floors. They also have small outpost areas in the upper floors and explore and map it out.

Entities:
There are Howlers and smilers in Level -10, all living in the basement floor.

Entrances and exits:
Entrances:

The most common way to enter is to enter is by finding a sewage hatch in Level -9 and only having ⅕ chance of entering Level -10.

Find the door you came from or open a door that says “Marbel Town” In Level -46

Exits:

To exit travel to eleventh station by this levels train, you will enter the metro level, or by finding a window to enter Level -11. Another way to exit is by no-clipping into the ceiling, where You'll have 63% chance of entering Level 4.3, and 37% chance of entering Level 11. These exits only are at upper floor.

The exits that are in the basement part are Level 3, which you can enter by following the howling of the howlers.

A door that says “The halls” Will lead you to Level -46 After opening it.

And last way to exit from the basement floor is to Level 2.1 the concrete caverns.