Topic idea stolen from another forum but shh. For me: Half Life: The introduction when your on the train in Blackmesa, well to be honest I was amazed by the whole game... I had never seen anything like it back then! Unreal Tournament: The gameplay was so fast and the graphics were amazing at the time. Gears of War: Having played so many games over the years I don't really get amazed by them anymore, but i remember thinking the graphics amd amount of detail in GOW was just amazing. It was also the first game i had played with co-op over the internet, i remember thinking it was great how i would be playing and a person on my friend list could come online and join me.