The movie did a great job with atmosphere and mood for sure but the hollow plot devices, shaky motives, nonsensical 'science' and the burden set upon me to suspend disbelief against all odds makes it one that I cannot recommend. It is unfortunate that they did not have a more experienced or capable writer to consult before moving ahead. I think the right person may have been able to untangle this knot of a script. All other elements were well done and I could feel the tension and sense of isolation grow throughout the film. They did so much right that it is a terrible shame that, ultimately, it went so wrong.