Assume that you fell into a manhole and ended up in an underground drainage. You are at a loss now and you are completely trapped in the drainage. You will have to try your best to escape from the drainage as it is a complex system. Collect whatever things you find to solve various puzzles in order to escape from the drainage. All the best and have fun.Recueillir toutes les choses que vous trouvez pour résoudre diverses énigmes afin de s'échapper.