Fallout: New Vegas is a game filled to the brim with a wide variety of quests, both unmarked and marked. These quests can vary in length and can be some of the most engaging parts of New Vegas itself, but today we're going to focus on the nature of 'Unmarked quests' and their place within the game... There is a total of 83 unmarked quests within New Vegas, which begs the question - How many of these quests does the average player actually miss? What are the most hidden quests of Fallout: New Vegas?