Global Gaowu: Fortunately, I Have a Training Simulator

Global martial arts, alien invasion Qin Feng, who returned from time travel, obtained a training simulator. Only by killing various monsters can he complete the task. Every time he fights, he feels extremely difficult The door to another world finally opened. Powerful alien creatures came to the earth, but they got news "Hurry and close the door to the other world. That guy named Qin Feng is coming to kill you."