This is my first review here. First of all, I need to emphasize that this is a bit of soft horror movie. That already means that my scale is lowered (because there is LOAD of utter junk horror movies) and adjusted to the genre. By no means is this LOTR or Guardians of the Galaxy, and it should not be watched as one of those movies, characterized by huge budget and top of the line acting.
If you take above said in consideration, this is all in all a good family movie that adds a bit of horror elements. Just the right amount to scare kids and entertain adults as well. I am not a parent, but i am an adult and i find this movie good.
Acting is actually VERY good, in rank with top of the class movies out there. CGI is also good, although i did want to see a little more of if. Language is Norway, but i don't live in English speaking area, so we watch everything with subtitles anyway, and kids read at age of 4-5. It could be issue for kids that had learned to watch movies without subtitles, so be warned. And, personally, non English movie that is above average is quite refreshing. Even approach is somehow different and "new" compare to Hollywood.
All in all, i do recommend this movie. It is not an Alien, but story is still better than, say, Prometheus, and acting is top of the class. 8/10.