|The following is based on the Fallout Bible and has not been confirmed by canon sources.|
As part of the vault experiment, of the one thousand people who entered, one was a woman and the rest were men. The location and status of this vault are unknown.
Vault 69 is Vault 68's counterpart which contained 999 women and only one man.
Behind the scenesEdit
|The following is based on unverified behind the scenes information and has not been confirmed by canon sources.|
Vault 68 is a reference to the sexual position mentioned in the Kama Sutra, in which position 68 is for the sexual pleasure of the woman.
|End of information based on unverified behind the scenes information.|