Originally Posted by Thrasher 
Challenge isn't in demand. That's a genre defining point today, sadly. Reward and "achievement" is, though. If devs could figure a way to directly stimulate our pleasure centers without any "game" features, they would.
How do you find Diablo 3 on Hell and Inferno then? I'm finding them relatively challenging.
I don't think the comments on casual gaming are fair - they're designed for a different purpose. In life there have always been pastimes that were relaxing/recharging, and those that were exhilarating/exerting. We had Minesweeper alongside Might and Magic 3 even several years ago.