Johnny can see things V isn't looking at. I can't decide if that's the writers of the game forgetting that he isn't really a separate entity, or a deliberately metaphysical detail.

(Also, at one point he picks up a nearby stool, plunks it down in front of V, and sits down on it to have a chat, but if you look away after he's gone and then look back, the stool is back where it was before the cutscene started, which I'm going to give the benefit of the doubt and assume is a clever touch and not a bizarre oversight.)

--G.
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Benjamin D. Hutchins, Co-Founder, Editor-in-Chief, & Forum Mod
Eyrie Productions, Unlimited http://www.eyrie-productions.com/
zgryphon at that email service Google has
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