"It's always tough to do a single-player demo. You can always argue whether it benefits you or not in the long run, because so much of it depends on you understanding where you are in the narrative, and then appreciating what's going on in the single-player demo." said Hennig.
"Not to mention that it's a 12-15 hour experience and you have to somehow collapse that into 15 minutes. I mean, we have something like hundreds of moves to train you over several hours, and if you just drop somebody into the fire..."
Don't worry, there will be a multiplayer demo for you to look forward to. Uncharted 2: Among Thieves will be released in October.