An early screenshot of Gasworks. It can be noted that the cargo containers were replaced with industrial machines to give it a different, and as devs felt a more appropriate industrialized approach, as opposed to the previous cargo crate loading yard setting. [1]

A WIP simulated water caustics feature implemented into Black Mesa [2].

An early screenshot of the lower section of Gasworks. [3]

A very early screenshot of the lower hallway in gasworks that is by the RPG in the main underground zone. [4]