Supplied, but not chosen, by Victoria Charvill from a stack of DVDs she was giving away
Most of the dialogue seems strung together from war movie cliches, whether it makes sense or not (plus some irritating technobabble later just to make sure no words out of anybodies mouth mean a damn thing) but to be fair nobody is watching this to hear scintillating chat. However the action is also lack-lustre. Nothing much happens for a long, long time (like many movies of it's type this really wants to be Aliens but simply can't match the action movie chops of that film) and the action is short and dull.
The first person shooter sequence is laughably dumb and certainly not any good. It comes from nowhere, a sudden baffling shift in tone and pace, outstays it's welcome and exists purely as a in-joke to the fans of the game (to paraphrase Harrison Ford "you can play this shit, George, but you can't watch it") but at least it has a pulse.