Just finished re-watching the movie version of Flag (which seems only to be available in German-speaking countries), and it is everything that Mind Game is not. I won't pretend to be writing a full review here, as that would hardly be fair with a 100-minute edit of a 13 episode series—and I can hardly assess the edit properly until I've seen the full series. But here's a couple of observations.
Firstly, the mecha elements of the show, which some people find inappropriate. Do we really need to have piloted robots in a UN-based operation set not too far in the future? Maybe not, but the robots here resemble the Tachikomas and Uchikomas of Ghost in the Shell (minus the artificial intelligence) more than they do the giant machines of Mobile Suit Gundam or Neon Genesis Evangelion. The HAVWCs of Flag are presented as if they are plausible developments of military hardware, powerful and maneuverable, but far from indestructible. On one level, they are an attempt to imagine what the conflicts of the near future might look like; on another, they are an attempt to reclaim the whole mecha genre from impossibly huge machines piloted by whining brats.
More importantly, the first person perspective—everything is seen through a lens—is not a gimmick. Flag is about the power of the image, and in particular the photographic image; to be constantly reminded that we are watching images is completely appropriate. In a sense, Flag is coldly objective in its resemblance to a documentary, stripping away (almost) all the usual bombast and noise associated with military drama. But not only that: by showing us what is seen through the viewfinder, rather than just the final product, we're being reminded that photography and film are a process, and at the same time that there is always a person behind the lens who sees.
This representation of photography is also a reference to traditional animation, and perhaps to film itself, which is precisely about using still images to create motion, narrative and meaning. Flag is at once a tribute to the camera, the media, and the operator, both in form and content.
As you might guess, I think that Flag is considerably more subtle that the military-political thriller it appears to be on the surface. Maybe at some point I'll attempt a more comprehensive and coherent review.