Murder Drones addon

Many years ago there was a catastrophe that led to the complete extinction of people. A mining company that was digging to the Earth's core triggered a disaster and caused massive damage to the planet. Only service robots have survived and are trying to settle into the new world. However, they are exterminated by killer robots programmed to destroy any objects that do not follow company protocols. One day, a maintenance robot finds an abandoned killer robot, which she plans to use to protect her kind.