In Subterrain, step into the shoes of Dr. West, the seemingly last survivor of the underground city MPO on Mars. Struggle for survival against relentless threats: confront enemies, combat hunger and thirst, heal your wounds, and scavenge vital resources, all while the clock ticks mercilessly. Decisions weigh heavily, as negligence may turn you into your own worst adversary. SURVIVAL

• Battle against thirst, hunger, and exhaustion!
• Beware of injuries like fractures and blood loss!
• Scavenge and research to acquire medical supplies!
• Maintain oxygen and thermal levels in your explorations!

COMBAT

• Face the horrors of Mars with melee and ranged weapons!
• Customize your weaponry with modular parts!
• Race against time and the infection's spread!
• Enemies evolve from cocoons into monstrous forms!
• Protect your generator from relentless invasions!

CRAFT

• Collect scrap and creature parts for essential components!
• Utilize 3D printers to create armor, weapons, and upgrades!
• Employ the Bio Combiner to craft survival gear!
• Harvest from the biosphere to refine materials!
• Research items for enhanced creations, like lightsabers!

EXPLORE

• Dive into randomly generated sub-levels and crafted areas!
• Engage with non-linear storytelling through logs!
• Wander the Mars colony, exploring at your leisure!
• Restore the habitat by fixing generators!
• Uncover clues to escape the nightmarish infection!

By 2050, humanity has colonized Mars under Jeff Murray's vision, creating the underground city MPO to shield against harsh conditions. However, Dr. Albert West, who sought a cure for his wife's Alzheimer's, is wrongfully imprisoned after a lab accident and finds himself entangled in a murky mystery when the guards vanish mysteriously. His journey begins as he uncovers the truth lurking within the shadows.