In 2035, due to global resource shortages, border and territorial conflicts have become intense, and drone swarms and individual exoskeletons (non-sci-fi, reality-enhanced) have become the main combat forces.
- The protagonist's cheat: skill point system (acquire experience through actual combat, manually add "accuracy", "endurance", "lurk", "combat" and other real-life skills, allowing ordinary rifles to achieve sniper effects thousands of meters away).
- Level system: ordinary soldiers, elite operators, war zone soldiers, and important weapons of the country.
