Uninvited Guests

Uninvited Guests is a random encounter in Fallout Shelter. It can be triggered by any dweller who is exploring the wasteland.

Walkthrough
At a random location, there is an upstairs area with 2-3 raiders, while the room downstairs has one stronger raider. Rare items can be retrieved from the bottom room (two treasures) and lesser items from the top room (two treasures).