@GamePressure Fallout Shelter is due for release this Thursday for PC with the 1.6 update, which promises new locations, enemies and quest system.
More information.The 1.6 update is promised to offer new places to explore and enemies to fight. You will be able to assemble a group of vault dwellers to raid dangerous locations and fight bosses for you or send them on quests in order to get some precious rewards. Another much-anticipated feature is the brand new combat system that will allow you to directly control your characters during the battles.