It’s a complex board game to learn, and even more complex to master. Twilight Struggle is about that battle of propaganda and influence. Instead, the two fought battles of proxy to influence nations and regions towards or away from socialism (or ‘communism’ as the McCarthy nutjobs insisted).
What made is so interesting was that there was no direct war between the two superpowers, for everyone knew that would lead to nuclear missiles being fired, and no one sane wanted that.
The Cold War, for people who are really unfamiliar with history, was a period of tension between the United States and the USSR, back when it was a giant empire that consumed much of eastern Europe and dominated the politics of Asia.