a) It doesn't overwhelm the new player. With work, you can advance steadily through the story. b) There are many ways to win each stage, and even more to lose. I cheat and watch the youtube guides. They succeeded in different ways, and I succeeded after much effort in a different way. c) Good spectacle - nice setting, background music is dramatic but not distracting. d) Engaging characters and humor. e) Engaging story. A lot of time to speculate who you can trust and where the plot is going. Overall, liked it better than XCom, better flow, better story, better to look at. More engaging than Xenonauts, and I love Xenonauts.