I'd give Bioshock the higher numbers over all, but if we're just comparing the 360 version, I think Metroid might just edge it out.
I'm a mod, come to me if there's mod'n to do.
Chrizum is the best thing to happen to the internet, Period.
Serves me right for challenging his sales predictions!
Bet with dsisister44: Red Steel 2 will sell 1 million within it's first 365 days of sales.