Ashley learned to explore every corner during her missions, which is precisely what she did on Galatea 37. However, her latest discovery will change her perspective on her training. Into the Dark plunges you into the enigmatic depths of an expansive cavern system, revealing not just unimaginable treasures but also haunting echoes of Ashley's past. Prepare to face unique challenges and adapt to lurking dangers at every turn. This expansion introduces a captivating new chapter in the story that drives our heroes through the caverns of Galatea 37. Triggered by anomalous neutrino bursts and strange seismic events, Ashley and Mr. Riggs must confront a world-ending menace. Use your skills to navigate the caverns, gather research samples, innovate new technologies, and combat an internal threat. Explore an underground biome through a fresh story campaign branch, employing a new drilling mechanic to dig through caverns. Gather insights about unique creatures, flora, and other wonders exclusive to this environment. Defend against colossal underground beasts with advanced weaponry. Adapt your base-building strategies to overcome harsh terrains and power issues, all while uncovering forgotten truths from Ashley's past. The story seamlessly integrates with the main campaign. As you progress, unlock this new narrative path. If you've completed the original story, continue your journey where you left off and dive into the newly revealed area without delay.