Top 20 Biggest Game Worlds of all Time

#7 Fallout 3

Fallout 3 is Bethesda's take on a post-apocalyptic Washington D.C. with much of its buildings reduced to rubble thanks to China's nuclear detonations on the capitol.

Washington D.C. is pretty much ground zero, but thanks to a couple of hundred years and the low nuclear yield of Chinese nukes (most of which went towards bombarding military facilities instead of political ones), a good portion of the city remains standing. Which is good, because without any architecture, Fallout 3 wouldn't be a very fun place to visit.

If you've ever been to D.C. or at least seen pictures of it, you'll notice that a good chunk of the monuments and buildings everyone knows remain standing. There's even a simulacrum of the D.C. metro in the game. But it's filled with ghouls, so bring a gun.