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.

Retrobooster
Retrobooster Preview on Greenlit Gaming
July 16, 2013 - Really Slick

Alex Coccia just posted his impressions of trying to save the galaxy in this preview[greenlitgaming.com] of Retrobooster. Check it out, and then try the free demo to see first hand what Alex is talking about.