I enjoyed the Oblivion wheel game, too, though it was nowhere close to representing actual persuasion. Okay, in order to make this guy like me, I'll insult, compliment, flirt, and threaten him, one right after the other in varying degrees of intensity.
"You're mother is a whore!"
"You have nice posture."
"What's a handsome Orc like you doing in a place like this?"
"I'll rip your skull out and beat you with it!"