A look of genuine pleasure spreads over Crowley's face. "Oh, are we playing that game, then?"

He'd honestly just been having a bit of fun. A kiss had been next on his list, but he lets go of Castiel's tie instead. It's true Crowley likes playing games and playing games with Castiel is particularly fun, but that doesn't preclude him from enjoying whatever this is.

"Are you going to show me how naughty I've been? I seem to remember a few promises."