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Subterrain: A Brutal Mars Survival RPG

Dive into the unforgiving depths of Subterrain, a gripping survival RPG set in a Martian underground colony. As Dr. West, the seemingly sole survivor of the MPO disaster, you must employ all your skills to endure the horrors that await. Scavenge for resources, battle terrifying creatures, and manage your vital needs in a desperate attempt to survive. Every choice matters in this challenging and immersive experience.

Survive Against All Odds

Subterrain pushes you to your limits with its intense survival mechanics. Manage your thirst, hunger, and exhaustion while tending to injuries like bone fractures and blood loss. Scavenge and research for crucial medical supplies. Explore the Martian depths while carefully managing your oxygen and thermal levels. Are you prepared for the challenge?

Engage in Strategic Combat

The horrors of Mars are relentless. Fight back with a variety of melee and ranged weapons. Customize your firearms with modular parts to adapt to evolving threats. In Subterrain, enemies evolve over time, morphing from cocoons into monstrous creatures. Defend your generator against relentless invasions, and race against the spread of a deadly infection.

Craft Your Way to Survival

Crafting is essential for survival in Subterrain. Collect junk and creature parts to break down into components. Utilize 3D printers to produce armor, guns, grenades, and vital upgrades. Employ the Bio Combiner to craft performance enhancers and essential survival gear. Harvest plants and ores, refine materials, and research items to create powerful weapons and armor, potentially even a lightsaber or power suit!

Explore a Dynamic World

Venture into randomly generated sub-levels and hand-crafted locations within the vast Mars colony. Unravel a non-linear storyline through logs and story sequences. Explore districts at your own pace while discovering the secrets of the MPO disaster. Restore the colony's habitat by repairing temperature and oxygen generators. Find clues to the infection and fight to escape the nightmare. Explore this dark, atmospheric world, uncover its mysteries, and fight for your survival.

Try the free demo of Subterrain to experience the intense gameplay for yourself!

The Story Behind the Struggle

By 2050, humanity has conquered Mars with the establishment of MPO, an underground city built by Jeff Murray. Scientists and entrepreneurs flocked to MPO, seeking freedom from Earthly constraints.

Dr. Albert West, a brilliant scientist researching a cure for Alzheimer's to save his wife, Jennifer, relocates to MPO at Murray's invitation. But a lab accident leads to accusations of murder, resulting in a prison sentence. The game begins a year into West's sentence, following the mysterious disappearance of the guards. Dr. West is about to discover the horrific truth behind their vanishing.