Just curious what everyone's hardest level is. I still have trouble with "Children of the Damned" in Underworld Madness. Those Gunner children are so annoying! Early in the game I had a lot of trouble with Wrath (before they nerfed him). He would heal almost all his health when he did the attack where he jumps at you. He was so annoying! After the nerf, though, he became a pretty little pansy.
What about you guys?