This game has been Greenlit by the Community!

The community has shown their interest in this game. Valve has reached out to this developer to start moving things toward release on Steam.

Pirate Galaxy
Reactor Defenders Challenge Preview
January 25, 2013 - Splitscreen Studios

Very soon, Pirate Galaxy will be extended with a new kind of challenge that greatly rewards effective team play. Meet the “Reactor Defenders” challenge!

Read more here:
http://pirategalaxy.com/pirate-galaxy-reactor-defenders-challenge-preview