I have currently been playing Bioshock and Fable 2.
Needless to say, I love the both of them.
But..I'll say Bioshock is more kick-ass XD Because you can attack people with wasps. How kick-ass is that?
That, and the dialog of the Splicers, its so funky
"Oh, he's terribly funny..but his wife has put on so much weight!"
I almost fell off my bed when I heard that