The story involves very mature themes such as Nuclear War, R*pe, Cancer, Cloning are just some examples

He's no longer a "Cold War tool

The story is much more fleshed out, dealing with Cold War politics, nuclear disarmament, and even war orphans

MGS3 takes place during the height of the Cold War between the US and USSR

Taking place during the Cold War, in a Russian tropical jungle, Snake Eater shows us a time when Big Boss was a young, naive, patriotic soldier who believed in his country and its government

Survival, betrayal, Cold War espionage, politics and CIA/KGB/GRU tensions all make a well rounded Metal Gear Solid experience

gamercenteronline(DOT)net/2009/06/12/kojima-wants-to-teach-youth-about-the-cold-war-and-the-

The cold war serves as a backdrop to the story as you are an agent of the government known as Naked Snake sent to rescue a Russian scientist who is defecting to the U.S. Plans go awry as certain unfortunate circumstances occur and your objectives change

With amazing war machines, complex story lines and "INCREDIBLE!!!

MGS1 takes place after the Cold War, as the world deals with its after-effects (like surplus nuclear weapons and scientists.

But when he tried to hand over the next chapter of Big Boss' story to his younger team, he felt that his younger team would have a difficult time understanding the nature of the Cold War, due to generational differences

Metal Gear, Solid Snake, MGS, MGS2, MGS3, and MGS4 as well as the graphic novels and VR Training missions