Corridor Survival: I Have the Strongest Sign-In System

This is a game played by adults all over the world. From bottom to top, no one knows how many layers there are! Some rooms on the floor have scary monsters and ghosts, as well as food resources. They have only one purpose, to constantly climb the stairs and search for supplies in the room. Come out alive! Duanjiang entered the game but awakened the system at the beginning. "Ding! Congratulations to the host for coming to the 1,000th floor! Get the sign-in reward! Get the Thompson submachine gun! Get..." At a time when countless people are fighting to the death for whether they can find food on the next floor and to earn a living. Duanjiang burped and thought about what he was feeling. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.