Simple, fun games are usually the most successful games out there. The hard-core gamer market is small comparatively, especially if you're counting by players instead of purchasers.
(Numerical comparison: Half Life life-time sales: 9.3 million as of the end of 2008[1]. Bejeweled life-time sales: 50 million+ as of Feb this year[2]. And how many play FarmVille (though it's not overly simple)?)
(Numerical comparison: Half Life life-time sales: 9.3 million as of the end of 2008[1]. Bejeweled life-time sales: 50 million+ as of Feb this year[2]. And how many play FarmVille (though it's not overly simple)?)
[1]: http://www.shacknews.com/onearticle.x/56193 [2]: http://www.gamasutra.com/view/news/27183/Bejeweled_Sales_Hit...