: The primary platform for the game, featuring the single-player campaign and local co-op modes. GOG.com : A DRM-free alternative for downloading the game. Core Gameplay Features

: Exploration requires tools like grappling hooks, scanners, drones, and heavy machinery to navigate caves and operate the facility.

: Hidden Deep is the first book in "The Hidden Saga" by Ryann Carroll, a supernatural romance novel.

: Players control a team of researchers and engineers, either directly or by giving orders to coordinate complex tasks.