I saw it today. I didn't care for it at all. There is some really terrible editing, the movie just jumps scenes with very little logic or sense of flow. The action stuff, the gun play, very flat and boring. The bad guys just sort of know what they are doing with zero explanation. Some of the CGI was low rent garbage too, that reminded me of Ultraviolet.
Quite frankly, this movie couldn't have ever worked. Why would anyone ever spend the amount of money to put convicts in orbit when they could just put them in a cell on Earth? How is being put in orbit as a punishment cost effective for managing convicts?
Well, they KIND OF explained that, in a really half-assed sort of way.
It's a shallow sub-plot presented early in the film, and then it's just kind of forgotten...The whole purpose of the prison was actually to secretly test the effects of space travel and cryopreservation on humans... or something.