Should you be blissfully unaware of the first game, it's basically 'a multi-player game of Strategy, Intrigue and Galactic Conquest', with heavy emphasis on the intrigue; something which is your sole responsibility - yes, You! - are to blame for it.
Neptune's Pride is an always-on, real-time strategy game that is played over several weeks. You can log in at any time of the day to check the progress of your fleets, view the results of battles and issue new orders.
A 4X Strategy game with its complexity stripped away to reveal an exciting game of diplomacy and strategic command.
If it is like its predecessor, or indeed the other games created by the same developer, such as Blight of the Immortals, there's also the possibility to, for a price, play it in a strictly turn-based fashion, instead of real-time, which, allows for swifter, more controlled play.
The game, in its newfound HTML5 glory, pridefully has its own greedy little space here.