If you leave the encounter and the map location is named 'Unknown', the location is in flux the encounter can be 'rolled' again, making a new map circle in that map location. Some special encounters can be revisited a map circle the same size as minor locations such as toxic caves and Golgotha appears on the World Map where it was found. Main articles: Fallout special encounters, Fallout 2 special encounters, Fallout Tactics special encounters The equivalent of special encounters in Fallout: New Vegas are done by the Wild Wasteland encounters if the player has the Wild Wasteland trait, which adds (and in some cases changes) random encounters and locations with similar humor of special encounters. As they are intended for humour, they should be considered non-canon. Most of these encounters consist of humorous pop culture references or other games or even earlier Fallout games ( The Café of Broken Dreams). They usually serve as entertaining points of humor, though some are very dangerous ( mad brahmins), while some grant access to unique, sometimes powerful loot ( Bridge Keeper).

Special encounters are special random encounters often unique compared to more common encounters which may consist of hostile non-player characters.

Fallout: Brotherhood of Steel special encounters.

Fallout tactics special encounters