Atomic Heart - Enchantment Under the Sea DLC Global Steam

Dive to the underwater Neptune Research Center

Major P-3 returns from the mind-bending horrors of Limbo only to dive into new depths of danger in Atomic Heart's third DLC expansion. Resume the high-octane gameplay with the continuation of the main storyline as you explore the Neptune Research Center, a submerged facility filled with secrets, deadly tech, and the last hopes of humanity.

Armed with a new arsenal designed for aquatic and hybrid threats, and aided by the enigmatic Twins’ awareness, P-3 must confront terrifying new enemies lurking in the deep. Encounter a mix of fresh faces and returning characters, all with their own roles to play in this escalating conflict for the future.

Delve into the twisted corridors of Neptune, uncover lost truths, and reclaim what was taken. Revisit transformed familiar locations, including the once-majestic flying city of Chelomey, now a robotic stronghold, and brace yourself for unexpected journeys to places reshaped by chaos and control.

The fate of the world is still undecided — and the final battle is just beginning.

About the base game:

Explore the world after a global system failure, which happened at the Soviet Facility. That unfortunate event caused the pervasive machinery to rebel against humankind. Take on the role of Major P-3, who’s on a mission to investigate the mysterious accident, eliminate its consequences, and prevent the leakage of information into the wrong hands.

The unidentified foe

Before you decide to fight the monstrosities created by the massive incident, you should first study their behavior. You will benefit from being one step ahead of the enemies if you observe how they behave and interact with one another. An ingenious way to avoid robot attacks is to hack their system - use your skills to hack the "Kollektiv" network while remaining undetected.

Make your weapon

With a handy Chaika 3.0 device, you can customize your equipment to your liking. Create and modify over 30 different melee and firearms to improve your combat. Remember to use the environment to your advantage and exploit enemy weaknesses while fighting. Collect useful collectibles and finish your mission!