This seems to be one of those where people go "oh it's got a message and an artistic style--SO SUBLIME" or "oh it has limited game mechanics--SO OVERPRICED." Here's my take: it does have a message, but if you've already played World of Goo, you've already heard it. Their messages are about as subtle as a strategic nuclear weapon, and they of course satirize culture, industrialization, and so forth. One gets the feeling that these fellows would use the word "sheeple" in conversation without irony.

So grading it on what it intends to be, it does well. The gameplay is casual and roughly amusing, and their sense of humor is bitingly sharp. If you're right of center and sensitive, it'll probably tick you off. Me, being the pinko that I am, find myself agreeing with its theses but not its attitude. It's more than happy to point out flaws everyone knows about, but offers no solutions (nor does it really suggest that anything can be solved). It's the "Folk Song Army" of message-driven computer games: well-intentioned and sweet-tongued but generally ineffectual and not particularly helpful.

I haven't had this much fun playing a video game for a very long time. You almost expect Mike and the Bots to hang around the lower right-hand corner ragging on it, and that's absolutely intentional.

A writer at Kotaku puts it better than I can: "weapons-grade joy."