The combatants might be heavy, but this is a refreshingly light spectacle.

...knows what sort of film it wishes to be; it is that film, and much more.

A big, brash, unpretentious B movie that lives down to its billing: robots punching monsters — it does what it says on the Rim.

...is an all-out assault on the mainstream: it's essentially a huge-scale effects-picture corralling giant human-controlled robots and mammoth alien lizards in an apocalyptic face-off to save the planet.