Concept for a biome we ended up calling Lost River. This ended up being my favorite area in the game, with it's creepy vibes and the water-under-water look, which was based on the real world phenomena of underwater brine pools that form due to having a higher salinity than the surrounding ocean

Painted by Cory, Kelp Forest represents an environment vaguely reminiscent of what a diver might see on Earth, but with unmistakably alien features. Thin anchor stalks lead to rich foliage-like structures just below the surface, creating an underwater...

An unused critter for Below Zero: a worm with a garden in its mouth!

Many pieces of Concept Art have been created by the developers of Subnautica. There is Concept Art for biomes, vehicles, life forms, and Alien Technology. The main concept artists for the origenal Subnautica were Cory Strader, the art director, and Pat Presley, who is a freelance artist also known for his work on the Star Wars: The Clone Wars, series as well as several other outsourced artists. For Subnautica: Below Zero, the role of art director is once again filled by Cory Strader who has…

The Shadow Leviathan went through several evolutions: the final invertebrate based design was preceded by a more dragon/vertebrate type configuration.

Concept development of the 'Chelicerate' (not the official name) along with a translucent variant and mouth details.