Train City

Train City (트레인 시티, Teulein Siti) is the first station of Hell Express in the Tower. It's located on the 35th Floor. The Hell Express departs from here. To reach the Train City, Regulars will board on a private train.

About
Train City is a closed six-story building connected to at least two railroad tracks, each from different area on the 35th floor. When Regular arrives at Train City, they will find an elevator. This elevator operates one by one. There seems to be another different side to enter the building, which also have an elevator. This is because Team Novick didn't encounter Baam's party (Twenty-Fifth Baam, Boro, Felix, Hanool Kang, and Hana Yu) although both teams were seen to access the elevator at the same time.

Floor Levels
There are six floors in the Train City:

First Floor (1F) - Entrance
This floor is protected by a semi-illusory guardian named "Mirotic" who prevents people from entering through a door before the chosen time. Beyond the door lies the first gate to 'Helix Stairs' which ultimately leads to 'Platform Skyscraper' and the Train.

Second Floor (2F) - Residence
This floor has at least 100 rooms, each with a number that corresponds to the total number of an Express Ticket; entrance into a room is possible only if the Express Ticket number matches the room number. As such many Regulars wait for Ticket Holders to either leave or enter a room so that they can steal their Express Ticket. Any number of non Ticket Holders are allowed to enter a room along with a Ticket Holder once the room door has been opened. The game "The Last Seven" was held here.

Third Floor (3F) - Restaurant
On this floor there is a restaurant section where Regulars can dine in comfort. There is a secret path from the Restaurant that leads to the real Control Center.

Fourth Floor (4F) - Stadium
This is a floor where Regulars gather to participate and compete in the Train City Tournament to obtain any available Express Ticket legally (without stealing from other). The recent tournament was faked by Rachel's group because they worked under FUG's hidden agenda to resurrect the ancient Slayer White. Rachel's group wanted to seize the control of the entire Hell Express.

Fifth Floor (5F) - Control Center
A control center where events taking place around Train City can be managed. It can be left to operate automatically using a computer program. It's later revealed that this Control Centre, that can be reached using the elevator from the platform, is in fact fake.

Six Floor (6F) - Skyscrapper
Like the 5F Control Center, this Skyscraper, that can be reached using the elevator from the platform, is in fact fake. There is a second elevator, which can be found in the real Control Centre, which travels to the real Skyscraper. However, ordinary Regulars cannot use this elevator unless they are 'approved'.