However, since the events of Dead Money must take place before the Second Battle of Hoover Dam, this ending is non-canon as the Courier's true fate sees them taking part in the Battle.

In one of the endings of Dead Money, the Courier can become trapped in the Sierra Madre Casino Vault and eventually die there.The Courier is more customizable physically than the Lone Wanderer from Fallout 3, with the option to edit the Courier's age.The Courier in promotional images is shown as being a Caucasian male with blonde hair - the first pre-made character during character customization.In the opening cutscene the Courier can be briefly seen wearing a recolored male version of the caravaneer outfit with a light colored cowboy hat along with some tan workgloves.

After hearing one of ED-E's recordings and discovers that ED-E is trying to find his way home, The Courier can remark that they feel the same way and adds 'Why do you think I became a courier?'.When the ED-E from the Divide plays the log of his discovery by a child and his father in Chicago, Illinois, the Courier may speak as familiar with Illinois but may ask 'What's a Chicago?'.

One of the epilogues of Old World Blues states that the Courier knows very little about communism or high schools, though this is an inference from the X-13 computer system.Dialogue choices throughout Honest Hearts heavily imply that the Courier has never heard of Christianity.Before setting off to New Canaan, the Courier can tell Jed Masterson that they have not been to Utah in some time, implying that they have been there before.When the Drifter says he is not, the Courier responds with relief. Upon learning from the Lonesome Drifter that he is from Montana and looking for his disappeared father, the Courier can, if he is male and has the Lady Killer perk, ask the Drifter if he would not happen to be exactly 17 years old.Or, on the contrary: an intelligent Courier may test her knowledge about fish, clearly aware of their nature although they are practically non-existent in California or the Mojave Wasteland and may only be found in Lake Mead or Zion Canyon. The Courier can tell Cass that they do not know what a fish is.It can be suggested during dialogue with Veronica Santangelo that the Courier does not know where they were born.The Courier can tell Bruce Isaac they saw them playing at the clubs in New Reno.Mitchell's word association test, one of the possible responses to 'mother' is 'regret'. Below is a non-exhaustive list of elements of the character's past which can be explicitly expressed by players during gameplay:

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