Probably the best, over all, so far. Thought we were only going to see the AC design, but this had the ridged head on it.
Some really nice shots: The opening segue visual. The convincing moving Alien attack (which I assume was CGI, but couldn't tell), which captured the wall-jumping motion really nicely from Cameron's film. The axe showing acid corrosion (which 'Alien 3' should have done!).
Not sure why the observer was showing so much emotion if they were... Well...
Part of me liked the general aesthetics (or at least, the atmosphere which was evoked), but everything was way too bloody antiquated, in terms of the office, equipment and even that elevator. It looked more like a mining operation from the 1980s than anything set in the far future. :/ The computer screens were nice, though. And the believable acting mostly outweighed those odd negatives.
Didn't really buy the lead character's narration about fearing the thing would trail them up. They could have just blocked off the shaft. Especially after emerging and finding it wasn't anywhere near the door.
But, yeah, best in general.