Games Distillery's steampunk-y shooter AQUA - Naval Wafare made its promised debut on the Xbox 360 today as an Xbox Live Arcade download, joined by a downloadable rendition of SNK PLAYMORE's side-scrolling shooter Metal Slug XX.

AQUA - Naval Warfare, with its two-person offline cooperative multiplayer, sells for 800 Microsoft Points / $10. Metal Slug XX, meanwhile, sports two-person online multiplayer, and sells at 1200 Microsoft Points / $15, with demos of both also available.

The official PlayStation blog reports that small soldiers and giant explosions will again make their way to Sony's PSP handhelds on February 29th, in the form of SNK Playmore's Metal Slug XX.

Metal Slug XX is basically an enhanced version of Metal Slug 7, released in North America for the Nintendo DS and Sony PSP in November of 2008, but it includes some extra content not found in the previous iterations. Read more »