Vault 69

Vault 69 was one of the Vault-Tec Vaults.

Background
Of the one thousand people who entered, there was only one man.

Appearances
Vault 69 is mentioned in the Fallout Bible, the webcomic One Man, and a Crate of Puppets, and concept art for the canceled game Van Buren.

Behind the scenes
The number of the Vault is a reference to the sex position sixty-nine.