The end of the world is coming, and the world is plunged into chaos and despair. Others awakened combat powers, but programmer Lin Mo awakened a seemingly useless [super engineering system]. When he tried to use the system to build a knife, the entire country's industrial system and scientific research power became available resources on his panel. "Report! The zombie wave has entered the fire coverage!" "Approved! Start the 'Great Wall' defense plan, saturation fire strike!" While survivors from other countries were struggling, Lin Mo stood on the Great Steel Wall and whispered to the system: "Start the 'Wandering Earth' plan, the goal is to rebuild human civilization."