SCP

SCP-173 is a figure that is motionless when looked at, and when not looked at, it flies towards a person at incredible speed, but if the person manages to turn around, the figure will not be able to kill them. Class Euclid
SCP-049 is a plague doctor who wears a black cloak and mask reminiscent of medieval doctors. He carries his own briefcase of poisons, but is kept in a Euclid-class containment cell.
SCP-106 is a strange old man, his body is completely covered in rotten red flesh and he can walk through walls, so his cell is surrounded by a special thick wall to prevent his escape. If someone approaches him, he can throw a person into his "pocket world" from which the person will no longer escape. Keter class.
SCP-999 is an orange, slimy biomass with small arms and cute eyes. He is a very useful SCP as he helps relieve stress/rage/depression in other objects and personnel. He even once stopped the collapse of SCP-682's chamber, an invulnerable reptile that simply relaxed.
class-Thaumiel/safe
SCP-682 is an invulnerable reptile. This object does not feel pain and is completely invulnerable when its limbs are destroyed, new ones appear in their place, stronger and more powerful than before. It is very aggressive and dangerous.
class: Keter
SCP-096 the Shy One is a white humanoid with white, empty eye sockets. He constantly hides in a corner so that no one will notice him, and if anyone looks at his face, he will attack that person with his razor-sharp claws by any means necessary.
class: Euclid
SCP-035 is a white porcelain mask that has telepathic properties that compel the wearer to wear it, and when they wear the mask, the wearer dies and the mask takes over the body.
class-keter

Class D are former criminals who received the death penalty, but they were brought here. They work either cleaning the holding cells of other objects or for testing or conducting experiments on other objects. Scientists are not afraid that they will die, since they already received the death penalty in court, but scientists use this personnel wisely so as not to use up all the supplies, and they always walk under military supervision.
Starter kit - Level 1 pass card, criminal clothing with class number
Military - The military monitors security and transportation safety; if any object escapes, they must neutralize or recapture that object, and if any of the scientists or personnel betrays the foundation, they must shoot them on the spot without hesitation.
Starter Kit - Arsenal (Assault Rifle, Stun Gun, Full Armor), Flashlight, Uniform, Level 2 Pass Card
Scientists come in all shapes and sizes, including newbies who can only conduct experiments in classrooms. Their safe starting kit includes a flashlight, a UGIF, and a level 2 pass card.
and the professionals who receive the same thing, only also a level 3 pass card, and the most professional receive a level 4 pass card
Researchers - they check the world for anomalies, when they find them, they call the military, and they catch them. They are the ones you can call when you find an anomaly.

Level 1 - Issued only to Class-D personnel to allow movement within the bunker
Level 2 - Allows new students and military personnel to open doors in the corridors to more secret areas and to the laboratory of the safe class containment rooms
Level 3 - given to captains and commanders of the military and experienced scientists who have studied a lot and can professionally conduct their work; it opens the possibility of entering more secret places and access to the laboratories of the Euclid containment chambers.
Level 4 is the strongest level, which is given only to professional scientists who have worked in the foundation for more than 5 years and only strictly according to the most difficult test and gives access to absolutely all places of the foundation and in the laboratory of the Keter containment chambers.

Safe (safe) - a safe object does not violate the conditions of containment and is placed in less secure containment cells; these can be ordinary objects or non-hazardous objects.
The required card level to enter the laboratory of this containment chamber is 2.

Euclid is an unpredictable object that has not been fully studied by scientists and may or may not be dangerous.
The required card level to enter the laboratory of this containment chamber is 3.

Keter is an extremely dangerous anomaly that is very dangerous and very difficult to contain; it is kept in the safest containment chambers.
The required card level to enter the laboratory of this containment chamber is 4.

Thaumiel (Thaumiel) - rare objects that are very useful for the foundation to contain other anomalies
The required card level to enter the laboratory of this containment chamber is none, as objects of this class are not kept in detention cells but are used to contain other objects.

Neutralized - an object that was neutralized or killed

Apollyon (Apollyon) - such dangerous objects that the foundation cannot influence them, and these objects themselves can bring about the end of the world with their own power, but the foundation cannot influence them. They are not kept in detention cells because they cannot be physically captured, and even if they are captured, these objects can still lead to the end of the world.

Explained (justified) are objects that the foundation has proven to be not an anomaly but an ordinary person/thing and are released into freedom.

The SCP Foundation consists of different chambers and sections:
Section 1 has thousands of cells with Class-D personnel and from there they are used, transported or replenished.
Compartment 2 is a compartment for satisfying the needs of personnel; there are dining rooms, toilets, bathrooms, a street, and laundries.
Compartment 3 is a life-saving compartment in this area. There are rooms with electricity and electrolytes, and rooms with oxygen balconies that supply the bunker with oxygen.
Compartment 4 is the compartment for the military; each soldier has his own sleeping cabin. Each cabin contains 1 bed, 1 table with 2 chairs, a couple of shelves, and a locker with equipment.
Compartment 5 Warehouse contains all the spare items or equipment, clothing, boxes with evidence, and so on.
Compartment 6 is the most important section. This section is divided into many, many parts, into containment chambers. Each part of this section contains one containment chamber with multi-layered concrete and iron walls. It is light inside in the morning and dark at night. A white, clean room with the heaviest armored doors and a huge armored glass behind which is one laboratory in which one or more scientists conduct experiments on the object in the containment chamber. There are more than 20 thousand such parts in this section. Most of the containment chambers are empty for reserve. All these parts are located strictly in columns and rows so that each part and containment chamber can be counted by coordinates. For example, chamber 10.50 - a new object has been added; chamber 2237.2518 - the object has been neutralized, and so on.
The corridors and entrance corridors are all separated by heavy doors that are opened with a card that every employee has, and each door has its own entry level; the higher the number, the more access there is to the doors. For example, a card with a level 3 pass can open 2 and 1, but not 4 and 5, and so on.

The SCP Foundation is a foundation that detains anomalies, placing them in containment chambers for the protection of civilians and for study. Anomalies are often referred to as objects. Objects are divided into levels of containment, ranging from safe, Euclid, keter, thamuiel, neutralized, apollyon, explained, each with its own method of containment. SCP Foundation personnel also have their own map levels and hierarchy. When SCP military personnel capture an anomaly, they must place it in a containment chamber depending on its containment difficulty. Then, the military, observing the object through armored glass (which separates the laboratory and the containment chamber), must conduct experiments and gather as much information as possible about the object. Then, they decide whether to neutralize it or leave it if it is too dangerous.