Insane Plot Twists In Video Games

Metal Gear Solid 4

This is one doozy of a plot twist, because many gamers had a hint of it, but never really expected it. And I guess we can thank the developers for dropping this unexpected bomb on us, when we least expected it. It turns out that in Metal Gear Solid 4, that Big boss is  alive and well. Although the game had many plot twists, this was by far the most awesome and unexpected.