There are 10 ranks ranging from Army Private, Cook, Medic, Military Police, Special Duty Team, Special Warfare Command, Assistant Instructor, Instructor, NCO, to Officer. There are 4 main branches: MP, Training Command, International Peace Support Force (IPSF), and Army Headquarters. Starting from the Medic rank, personnel can stand guard at the unit entrance. Wanted criminals can be killed with guns, and killing them rewards money. Raiders can enter the base with weapons to kill soldiers. Raiders are automatically marked as wanted. Upon enlistment, you start as a Private in the Army, but Privates do not have guns. Weapons are issued starting from the Cook rank.

Military Police. They are a combat role capable of imprisoning others in the stockade. Occasionally, MP recruitment exams are held to select new members. Any rank from Private to Officer can apply for the MP recruitment exam.

They can host promotion exams. One can join by passing the Training Command recruitment exam. Occasionally, they may abuse their authority.

One can join through the Army Headquarters recruitment exam or by reaching General rank. They can host exams. The branch includes Generals, the President, and the Commander-in-Chief, as well as working-level staff.

A combat role. Members are selected through the International Peace Support Force recruitment exam.

Equipped with guns, they can infiltrate the base and kill people inside.

Personnel who promote by taking exams. The rank progression is Army Private, Cook, Medic, MP, SDT, Special Warfare Command, Assistant Instructor, Instructor, NCO, and finally Officer. They primarily use the K2 and K2C1 rifles, but cannot use the MP-exclusive K7.

Civilians who are not soldiers. They have no weapons, but some citizens launch surprise attacks while carrying concealed weapons. However, they are often killed even when doing nothing as a citizen, so they tend to dislike the soldiers.