Main Idea: In this game, you play as a character who has to survive in a dark, dangerous world. The main objective is to survive and find a way out of the ruins, while avoiding all kinds of enemies and traps. 

Plot Outline: The player wakes up in the ruins without any memories of how they got there. They quickly realize that they are not alone in the ruins and that there are other people who are also trying to find their way out. The player must find a way to work together with these people.