MGS4 - The game would sometimes go from "cutscene" to gameplay and I wouldn't even realize it, so I would stand there not doing anything because I thought there was more
GTA4 - racing through a city at 100 mph never looked so good
Super Mario Galaxy - Right from the get go the graphics pulled me in
Platinums: Red Dead Redemption, Killzone 2, LittleBigPlanet, Terminator Salvation, Uncharted 1, inFamous Second Son, Rocket League