Fallout: New Vegas' development and how rushed it was has been widely documented over the years, as Bethesda gave developer Obsidian Entertainment an 18-month deadline to get the game finished, a development cycle that is nigh unfathomable in today's gaming industry. It's a phrase that's uttered a lot in game development, but it's an actual miracle that the game turned out as well as it did.
However, as a result of its rushed development cycle, the state of Fallout: New Vegas understandably changed quite dramatically during development, which makes looking at older prototypes of the game a lot more interesting than your standard video game. For example, there was a version of the game that let you seduce Mr. House, and gave him a "special assistant" called Marilyn.
A YouTuber by the name of Games' Past was the first one to share the prototype of Fallout: New Vegas, but they're now back with various prototypes for the four New Vegas DLC expansions — Dead Money, Honest Hearts, Old World Blues, and Lonesome Road. While there aren't as many interesting differences between the prototypes and the base game, there are a few that are worth a look.
For example, the Old...
