Hardest video game ever?

[cajmoyper]

Plain and simple. What's the hardest game you've ever played? Did you beat it or was it just too damn hard and frustrating? For me, it would have to be when I wasn't the greatest at video games and was playing Rogue Squadron on the N64. I had to get a friend to help me beat it. It caused me to go on an 8-year gaming hiatus.

But I can't forget about World at War on Veteran. I was actually on my way to beating it and spent about 3 hours on 3 checkpoints, called it quits and saved game for later. Came back...everything was gone. I couldn't take it anymore and sold that junk. So what's yours?