|The following is based on information from Van Buren design documents and is not canon.|
Sleep Through Presper's Holocaust was going to be a quest in Van Buren, the canceled Fallout 3 by Black Isle Studios. It was located in Boulder.
Sleep through Presper's holocaust using Sleeper technology... it plays the end movies based on what you've done. Presper probably kills you, though, rather than thawing you out.