(Note, the 2nd link was not working last I checked, but it was earlier this evening.)
Anybody heard anything about this game? I guess there were prequels to this on PS2 but I knew nothing about it. I'm a fan of underwater-themed games (Ecco, for example) and this looks interesting. It seems to be Shenmue-esque in it's gameplay, with a huge focus on simple exploration, but there's a story behind it as well.
One of the things that I noticed was that some elements of it seem similar to Titanic Mystery, a Famicom Disk System game that looked really intriguing to me, but I could never figure out due to the language barrier. (I never even figured out how to initiate a dive!)