The first piece of concept art created for Trudy's Mechanicals: three versions of the main character, Valerjan.

The finalized Valerjan.

Some early sketches of the sewer-based Underworld district.

A few different versions of the Miner's head, along with an up-close view of his drill.

Environment art for the cramped and rickety Warrens district.

A couple of different takes on a vault-style door, a chest and an explosive barrel.

Three different versions of the Corsair's lower body...

...and the finished Corsair himself, complete with a mechanized saw-sword stored in one of this legs.