MEGATONik has a humorous look at some of the “casual” games offered on the Social Super-Network, Facebook.
Of the games they reviewed, I’ve only played WarBook. Probably for a sum total of about eight minutes. It’s a horrible and boring clickfest. One game they didn’t list that I have actually (and tragically) played was Pirates, which I was tricked into playing by WarBook. It’s more confusing and less fun than WB! No thanks.
If your looking for casual gaming or time-wasting (that’s redudant, right?), Kongregate is the place to be.