Doom operators (Doomsday Preppers) is a business simulation game, based on the National Geographic Channel namesake TV show "doomsday operator" production. This game, you will accept the challenge, in the ground to prepare a new (perhaps also more exciting) life. Design Multilayer fantasy bunkers, built after the occurrence of a major disaster you everything you need, from the gym to the greenhouse and then to the disco bar, to name a few! Layers to build your underground palace, while in the construction process to measure and improve your survival skills, in order to prolong your life in the ground! Efforts to build it!