Subterrain is uncompromising Sci-Fi survival on Mars! Manage the entire colony single-handed! Craft, Research, Explore and Fight against evolving mutants. Vast open world and randomly generated levels to explore! Can you survive long enough to escape the horror?

It took longer than it really should have but by 2050, humanity has finally colonized Mars. The leader of the effort is an entrepreneur named Jeff Murray. Rather than living on the surface of Mars, People have made their homes underground. The city and all its supporting facilities are buried deep down, safe from the inhospitable climate of the surface.

Dr. West migrated to Mars recently at the personal invitation of Jeff Murray. Dr. West has been working on important research which he had hoped would lead to a cure for the Alzheimer's disease which has afflicted his wife. After an accident in his lab, West has been locked in prison for murder. In a cold, dark cell with no food or water, the survival begins...