I one-box, but not because I haven't considered the two-box issue.
I one-box because it's a win-win in the larger context. Either I walk off with a million dollars, OR I become the first person to outthink Omega and provide new data to those who are following Omega's exploits.
Even without thinking outside the problem, Omega is a game-breaker. We do not, in the problem as stated, have any information on Omega other than that they are superintelligent and may be able to act outside of casuality. Or else Omega is simply a superduperpredictor, to the point wher...
To which I say: Given the two worlds and the otherwise identical twins populating them, what makes you think they are the zombies?