It's how it worked here, so we have to work on that; it may have been interference from the ghosts, or it may simply be that the laws of physics are so slightly changed here. The farther removed we get from your original world-line, the more things change. Just slightly and slightly, like a bottle moved from here to there or a phone call one minute earlier, until even such things change as well. [Hey, he sounds like a regular John Titor here! He speaks carefully, hands folded in his lap and back straight. It may seem like he's ignoring the 'first attempt' part, but what does one say to that? It's not a social script Okabe has in his head, so he ignores it.]

[Did it work, though... Oh, yes, it did. Who knows what pieces of his mind might have been torn out and lost forever in the process, but he trusts Kurisu, and he trusts his own work, and it sure as hell worked. He'll forever be thankful to it, but he'll forever believe it should not have existed.] It worked, but it wasn't proper time travel yet. Only my consciousness was transferred, as the machine was designed. [A wry smile.] And we humans are pretty bad at knowing the contents of our own minds - but as an observer, I'd say it worked.