Depths of Sanity takes you on a harrowing journey into the ocean's abyss as you assume the role of Abe Douglas, the commander of the ill-fated submarine, The Baroness. When the vessel mysteriously goes dark during a mission to investigate an unsettling vibration deep beneath the waves, it falls to Abe to uncover the enigma that threatens not only the lives of his crew but also his own sanity.

Immerse yourself in a deep, involving storyline as you uncover the fates of your crew members and the origins of the eerie signal transmitted from the ocean floor. Navigate a massive interconnected world filled with stunning coral reefs, haunting sunken wrecks, and perilous underground magma lairs. Your survival hinges on your ability to search, scavenge, and stay alive amidst lurking dangers.

Equip yourself with a variety of weapons to face massive bosses and tense encounters that will test your resolve. Utilize unique tools, including tow lines for navigating strong currents and a sonar system for exploring the inky darkness. In an environment that allows for full 360-degree movement, you'll need to stay vigilant and strategic as you plunge deeper into the perilous depths of the ocean.