◆ Infinite training system that purifies and grows the city!!
Eliminate infected drones and obtain various goods and equipment!
You can grow your secret agent quickly and easily with offline rewards up to 24 hours a day.

◆ Various missions and challenge contents!!
Clean up the infected city with Gunkalnyeo and enjoy various contents!
Strengthen your equipment and upgrade your skills to prepare to face more powerful enemies.

◆ Constantly become stronger with endless promotions!!
From combatants to enemies, develop the strongest agents!
You can acquire stronger abilities through promotion.

◆ Exciting boss battle!!
Fight against infected AI bosses with powerful skills and drones to assist you!
Experience refreshing battles like never before through overwhelming boss battles.

◆ Brilliant skills and immersive battles!!
An exhilarating battle with a variety of skills using Gunkalnyeo's guns and swords!
Feel immersive action in your hands as you fight against increasingly stronger enemies.