Critical Guns Strike: Gunner OPS: Shooting Duty is a free simulation game developed by Action Shooting Fun Games for Android devices. This game is perfect for those who love FPS shooting games and anti-terrorist shooting missions. As a member of the OPS squad, you will take on critical missions like defusing bombs, taking out enemy soldiers, and stopping the progress of enemies using machine guns. You will also be tasked with rescuing hostages to fulfill your gunner duty. The game offers a variety of modern weapons including machine guns, snipers, pistols, assault rifles, and grenades to enhance your shooter skills.

The game has challenging first-person shooting scenarios that will test your shooting skills and improve your fighting skills as an army commando. Each level is full of fun and adrenaline with amazing war environments and real sounds. The game also features unlimited shooting and best shooting duty games to counter terrorists. Overall, Critical Guns Strike: Gunner OPS: Shooting Duty offers an action-packed FPS game experience with the best shooting missions and operations, making it one of the best FPS shooter games available on Android in 2020.