| ||For an overview of giant rats in the Fallout series of games, see giant rat.|
|The following is based on Fallout 3 cut content and has not been confirmed by canon sources.|
The giant rats that were supposed to be in Fallout 3 can be seen walking on its hind legs in some pieces of concept art. Its fur seems to be falling off, and are outwardly very similar to normal, albeit oversized, rats.
The giant rat was cut from Fallout 3.