A planet called "Blue Star". In the "Judgment Day War", global nuclear weapons bombardment led to the collapse of civilization and the destruction of the surface ecosystem. Today, the entire planet is divided into three major areas: a high-concentration radiation area, a low-concentration radiation area, and a sparse purification area. The polar ice caps melted and sea levels rose significantly, completely changing the original land contours. Much of the surface is covered in yellow radiation dust. Different continental plates are isolated by "radiation storm zones". The storm zones are filled with high-energy particle flows and extreme weather. They are natural death zones.
