There are three possible endings to the main quest, and similar to Fallout 3 at launch, once you complete it you won't be able to continue your journey through the wastelands unless you re-load an old save. Though the story provides pops of color and a few necessary minor twists to keep things interesting, it's predictable just the same. Just a seemingly regular guy or gal, you're tasked with delivering a package to the New Vegas strip, but let's just say complications arise. You're a courier in these troubled times with no defined background.