In the future, AI will destroy the world, and human beings will face a cruel living conditions. You, as one of the few survivors, as a Iron Ranger, have been fighting relentlessly for freedom, for honor.1. Randomly dropped guns, a variety of different levels, combinations of different attributes, each gun has a different shooting feel.2. It can build a variety of mechanical equipment to provide assistance for combat, and shooting technology and combat strategy provide different experiences.3. All kinds of enemies continue to increase and become stronger, and the large map treasure mode, challenge infinite fun.