Without makeing a list I would say that what comes to mind is Dragons Lair. It changed the way that I looked at games from the first moment I saw it. I remember where I was, I remember the arcade, I remember the crowd that gathered around and I remember exactely where in the arcade the game...
Looking for game...but don\'t know the name
I Don't know the name but I pumped $100's in quarters.
It came out between 1985-1987 (guess). It was a fight game based in another world or another time. As you went through different levels you would collect six (I Think) items that would help...