Sony Interactive Entertainment and Guerrilla Games have released a new developer diary for Horizon: Zero Dawn that provides insight into how the dev team created the various machines found in Horizon: Zero Dawn.

The behind-the-scenes, deep-dive video notably provides a look into the evolution of the Shellwalker and an exclusive reveal of the Snapmaw, a huge water-based, crocodile-looking machine.

Horizon: Zero Dawn is set to release exclusively on the PlayStation 4 on February 28, 2017.

You can check out the new video below: