After a few minutes of small talk, cheesy pickup lines and awkward, musicless dancing, they'll run off to the back room and return soon after, the female now with child. Two Dwellers will decide to embark on a romantic snuggle if you place a male and a female together in the Living Quarters room. Fallout Shelter Trailer - Fallout Shelter at E3 2015

Breeding, on the other hand, is a certainty, and a method which can allow the number of your Dwellers to grow exponentially. Dwellers will sporadically turn up outside your Vault from the Wasteland, and we believe that's made more likely the more people you send out to explore, but this is a difficult mechanic to influence and an unwise one to rely on. The main way to get more Dwellers is through breeding them. Here, we'll be explaining the best ways to keep on top of Dweller happiness, plus we'll explain Dweller SPECIALs, dweller breeding, and the best dweller placement. Even laying dubious ant metaphors aside however, there is a more strange - and ethically dubious - side to maximising the efficient running of your Vault, and that's the practice of eugenics.

You, the Queen, must protect the colony and secure its future by ensuring they scurry away at their jobs as efficiently as possible. In Fallout Shelter, Dwellers are your worker ants.

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