People in America, This Apocalyptic System Is Amazing

Mark time-travels into the body of a Chinese-American who has just smuggled into the United States. Without legal status, he wants to survive in the United States where prices are high, so he can only get up early and work five jobs every day. Until this day, when Mark met a stray dog that was run over by a car and was about to die, a light curtain suddenly flashed in front of his eyes: [Discover the pole-eating beast and snake dog, kill it, and be rewarded with 0.1 Free attribute points! Random skills × 1] Since then, Mark's life has undergone earth-shaking changes. [Going to the supermarket to buy water and vegetables is judged as a hunting mission, reward: free attribute point +1] [Teach a lesson to the street gangster who is judged to be a murderer and a scapegoat. Reward: mastery of fighting skills! [Solving the boss with goiter is judged as killing the roar beast, reward: superhuman physique] [Stewing an old turtle to replenish the body is considered to have killed the salamander, and the reward is; invulnerability! [While passing by the sperm donation room of the hospital, I was judged to have arrived at Cheng Xi Hall...] … [Many years later, the system determined that Mark had solved the Mana ecology and ended the apocalypse, and was rewarded with a portal to another world. Mark silently picked up a pen and wrote on the white paper: [In America, this apocalyptic system is great! [Only My Own Method], [Dislocation System], [Apocalyptic Spirit Cage Settings], [Killing Line]