Suffers from some technical and acting issues, but the piece is so exciting and engaging overall you'll undoubtedly be hoping for a sequel when the credits roll.

You know the drill: A small group of unsuspecting adventurers wanders into danger, and not all of them will get out alive.

Just fast-moving fun, enough so to gloss over its shortcomings.

This big budget action spectacle (by Aussie standards) is a reasonable adaptation of Marsden's source material, though it misunderstands the point by amping up the action at the expense of the teen relationships.