The "Download Now" link directs you to the iTunes App Store, where you must continue the download process. You must have iTunes installed in order to open the link, and you must have an active iTunes account to download the application. This download may not be available in some countries.
You captain a submarine going to battle against warships and carriers. You must strike down the carriers to advance in the game. All in 3D. Updated for better hints. See support/app URL for tutorial on the buttons and strategy.
More accurate sonar presentation, north/south/east/west icons aded to the sonar display. Also updated for better hints and also one bug was recently resolved that happened with newly updated iphones/ipads to ios 4.3.