Absolutely amazing mix of Papers Please and Startopia. I love the different types of aliens. Checking errors in documents is very intuitive. The game does a great job at letting you steer the difficulty, both in checking documents and limiting passengers. There's research that can help do the work for you, or add extra layers to have to check, etc. You can also highlight different information and the game will tell you if it matches or not, which can really help on some of the harder things to check-like the robots' binary ID. It's so reasonably priced for all the content!