No, this isn't a thread that's giving away codes for copies of the game or anything.  Actually, this is to address a concern that might come up for some:  what are these internet codes that are showing up when I try to save my game? 
 
Well, as it turns out, Ubisoft has worked their interconnectivity ways into BG&E as well.  Here's a link that explains it in more details.   http://www.gamespot.com/ps2/adventure/beyondgoodevil/show_msgs.php?topic_id=m-1-40566517&pid=561646 
 
In essence, it is something that can unlock some additional stuff for you in the game, including some options for the Disc Game against Francis. 
 
Between this and the stuff between Assassin's Creed: Project Legacy/Assassin's Creed: Brotherhood, I'm kind of liking that Ubisoft is finding a justifiably cool way to offer bonus content to people.

Didn't the original PS2 port had something like this or am I thinking of some other game? It's been ages since I've played it. 

It was in the original, you had to go the the ubi website.

" It was in the original, you had to go the the ubi website. "

Yeah, it was in the original, internet leaderboards basically.

Yes, it was in the original.  

Somewhere in the whole hacking process to get the code this time around, though, is some screen of Jade hiding in some place that's not in the game from an unmasked Alpha guard...
 
...
 
So I'm thinking there's gonna be DLC for this game.