Casualties: Unknown

Casualties: Unknown is a cave-exploration survival simulator set on a foreign planet. As one of thousands of test subjects sent by captors to retrieve lost cargo, players must descend through five layers and contend with diverse hostile environments.

Game Overview

• Explore five layers of dangerous caves and environments.
• Attempt to recover lost cargo for your captors.
• Survive an unforgiving expedition as a disposable test subject.

It is listed for PC and falls under the Adventure, Indie, and Simulator genres.