| ||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 it seems to be approximately the size of a yao guai.
The giant rat was cut from Fallout 3.