Gun war: SWAT terrorist strike

In different corners of the world, fight against zombies and terrorists. We should apply modern weapons. The game's world was ravaged by a zombie virus. A quote says "lead a squad of elite assassins, fight against terrorists, and find the vaccine and save the world." It said, "Finish hard combat missions." If you are to meet any enemy, be ready. Require unique fighting abilities and weapons. It is important to collect spare parts needed to upgrade your weapons. Improve your tactical skills by playing the game.