In 2130, the sun went out out of thin air, and the earth fell into a frozen world. Lu Yuan, the last survivor of the frozen age, returned to 2125. He had five years to change all this. With the help of the auxiliary light that followed him back to the past Brain. In the end, Lu Yuan decided to use games to save the world. Tomorrow is not here, the doomsday games after the sun goes out, nuclear fusion technology, artificial intelligence robots, moon bases, Mars cities, everything that has not been completed in reality, will be in the first place. Complete their technical rehearsal in the game. Scientists, students, skilled workers, singers, and even all people who have hope for the future, all choose to enter this game one after another, just like the navigators who are heading to the sea. Lu Yuan: I put the future of mankind in this game. (Book Friends: 232940815)