Underwater Exploration Games

[Korian]

Depth World

[sedition]

Critical Depth

Not really

[Yoshi]

How about Aquaria? It's a beautiful 2D Metroidvania.

That's been on my Steam wishlist for a long time. I am not sure why I've never gotten it. You threw me a curve ball though. I really expected you to bring up X-Com: Terror from the Deep. Maybe epmode still will.

[Yoshi]

Critical Depth

Not really

Maybe that's the one I was thinking of on PS1 but got the publisher wrong. I could have sworn there was a Namco game though.

[Mzo]

Korian nailed it with Treasures of the Deep on the first page, imo. You must have him on ignore.

[Yoshi]

lol oops. Yep. That's it. Thanks, ghost!

[Low]

Here's another gem, very very rare, heavy japanese text but there's a faq availibile. Low I believe told me about this one?

Yeah, it's a quality tie-in and heavily exploration based.

[Some Stupid Japanese Name]

I know its not what yoshi is looking for, but did anyone play sub rebellion?

[Korly]

Was Hydrophobia (XBLA) any good?

[Changeling]

That's because they are often forced. I love underwater games though: In the Hunt (aka R-Type underwater), Deep Fear (aka Resident Evil underwater), etc. I'm highly annoyed Dolphin Blue (aka Metal Slug underwater) never got a home port (yes, GohanX, I know they have a cab at Lost Ark!).

In the Hunt is extremely awesome. I was gonna post. Kinda figured you had it covered tho.