I guess, I bought an Xbox 360 and Ace Combat 6 about a year after its release when I found out it was truly going to be exclusive. Not really cause I so wanted to play it but because that was the only way I could play it.
But to answer the question, no. I don't believe a universal must have game will ever exist.
But to answer the question, no. I don't believe a universal must have game will ever exist.