Journey into the foreboding underground tunnels to search for clues about the many wanderers prior to you who have disappeared mysteriously. Use a variety of tools to find hidden messages and secret passages deeper into the underground labyrinth. BEWARE: There is a killing machine roaming the passageways seeking to add you to it's blood pool. You play Alex Jones, intrepid adventurer, seeking to discover the cause of all the missing people. What you find initially is trapped souls of the previous victims. Work together with Abigail one of the souls of the lost, as she tries help you solve her own demise at the hands of the unknown entity lurking within the catacomb like maze beneath the city. Enter, explore, discover and escape the claustrophobic tunnels, all the while watching over your shoulder for the mechanical terror that hunts you in the darkness.