Hunt enemy convoys battle destroyers attack land bases and shoot down aircraft in this long-awaited sequel to the best-selling "Crash Dive".

Take command of a Gato-class submarine prowling the South Pacific in search of enemy shipping to sink.

Sneak past the destroyers and torpedo the transports or surface and engage the sub-chasers in a duel with your deck gun.

When the enemy planes come in on a strafing run man your AA guns to take them down!

Evade the hunting escorts before they can crush you with their depth charges.

Features:
* Smoothly blends a submarine simulator with arcade action.
* Provides the tools for both stealth and offense; you decide how aggressive you want to be.
* Full day/night cycle and wide range of weather conditions affect visibility and weapons.
* Crew health and location-based damage affects the performance of your sub.
* Optional crew management and detailed damage control (or let the computer take care of that for you).
* Optional upgrade tech tree for your sub (can also be left to the AI).
* Lengthy campaign mode.
* Random mission generator for deep replayability.
* Both randomly-generated maps and real-world locales including the Solomon Islands Philippines Sea of Japan and more!
* Built-in modding editor lets you change every aspect of the game.