In the year 2148, explorers on Mars discovered the remains of an ancient space-faring civilization. In the decades that followed, these mysterious artefacts revealed startling new technologies, enabling travel to the furthest stars. The basis for this incredible technology was a force that controlled the very fabric of space and time.
They called it the greatest discovery in human history.
The civilizations of the galaxy call it… MASS EFFECT.
The game begins in the year 2183, 35 years after humans discovered the ruins of an ancient spacefaring race called the Protheans on Mars. With the technology from these ruins, humanity learned the secrets of mass effect physics and element zero, unlocking faster-than-light travel. Humans also discovered the mass relay network that threaded the galaxy, permitting instantaneous passage across thousands of light-years. Humanity began its journey among the stars, encountering various alien races and establishing itself on the galactic stage.