Aquaria has been released. I'll review the game after I finish it and edit this entry later with more information, this is just early notice for those who were waiting for it.

Name: Aquaria
Developer: Bit Blot
Category: Underwater Metroidvania?
Type: Shareware
Size: 63 MB
Direct download page: Click Here
Direct download link: Mirror 1, Mirror 2
Buy the game: Click here