Fallout Shelter creatures

General information
Creatures will randomly attack the vault in the form of incidents. In the cases of mole rats and radroaches this can also happen after failing a rush. Creatures can also be encountered by vault dwellers while out exploring, but will not physically be seen in the game.

Mammals

 * Mole rat

Reptiles

 * Deathclaw

Arthropods

 * Radroach