What 2018 steampunk adventure film, produced by Peter Jackson and based on Philip Reeve's novel, depicts a post-apocalyptic world where cities move on giant wheels and consume smaller towns?

The 2018 film depicting a post-apocalyptic world where cities move on giant wheels and consume smaller towns is indeed Mortal Engines (Review). This steampunk adventure brings to life a unique vision of Earth centuries after a cataclysmic event, where resources are scarce and survival depends on a brutal philosophy known as Municipal Darwinism. The spectacle of massive "Traction Cities" like London, outfitted with immense treads and engines, hunting down and devouring smaller settlements is central to its visually distinctive narrative.

The movie was produced and co-written by Peter Jackson, known for his epic fantasy adaptations, alongside Fran Walsh and Philippa Boyens. Their involvement helped translate the ambitious scope of Philip Reeve's original 2001 novel, the first in a four-book series, to the big screen. Reeve's imaginative concept of mobile cities and the intricate mechanics of this futuristic world are faithfully rendered, offering audiences a grand-scale adventure filled with elaborate world-building and breathtaking action sequences.

Mortal Engines delves into themes of environmentalism, class struggle, and the consequences of technological advancement, all set against a backdrop of stunning visual effects and intricate steampunk designs. The film invites viewers into a truly original cinematic universe where the very landscape is alive with the movement of colossal, predatory urban centers, making it a memorable entry in the science fiction and adventure genres.