Publisher's blurb: Role-playing in the Mass Effect universe with Old School Hack rules. From the introduction: In the year 2148, explorers on Mars discovered the remains of ancient space-faring civilization. In the decades that followed, other mysterious artifacts 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 other civilizations of the galaxy call it — MASS EFFECT.