Well, there are a bunch of games like that.
Besides my assortment of video games, the only game I played recently was World of Warcraft. I decided to download the 10-day trial since one of my friends really wanted me to play it, and I actually like it. It isn't addicting like most people tell me, but it's alot of fun.
Well, I remember reading about a girl who starved herself because she was so addicted to a certain video game. I think Steve told me that a couple of months ago, but I'm not sure. Also, I read of a guy who forgot about his sons (they were babies) in the bathtub because he was busy playing a video game, and the sons ended up drowning. I remember some more stories, but they're just depressing.
Basically, most situations that involve extreme video game addiction result in neglect or someone's death.