Think of it as a Lego spaceman adventure, just with real scenery. All the stuff your Lego spacemen would have been doing, with that kind of realistic-ish space hardware. :) It is mostly about the story, exploring places, getting drips of the plot and what has happened. The puzzles are... ok fine, not really exciting but nothing tiresome... but the main point of the game is the story, kind of the visual / interactive movie concept. It is totally worth it for getting to drive around a moon buggy on a realistic looking version of the lunar surface.
