Release dates, publisher and developer information for this game listed by platform:
United States, Canada
v1.6 - includes a new score-upload system, updated ship physics, and a number of minor game tweaks.
v1.7 - includes a new, small surface boat, several game tweaks and balances, and all the previous updates.
v1.6 to 1.8 - fixes a bug with damage occurring sometimes at the beginning of a mission, optimizes loading for harbor switching, and updates ship loading
Release dates and company information contributed by Zeen (4468) and Jeanne (75508)