[Riku's first reaction is to tell Kefka off--he's not a character in a game! That's -stupid!- He opens his mouth to respond, rage tinting his cheeks pink... but then he stops.

He was crazy. And crazy people always thought they were perfectly sane, didn't they? It made perfect sense!

So then Riku just stares.]

You--you're crazy, aren't you?

[He's got to be!]

How would you know if you were from a game or not, anyway? And this-- [He gestures about them, the bowels of the ship] --what about this? Is this some part of that game, too?