In 2020, cockroaches were sent to Mars in order to terraform the planet. There was a problem with the human population on Earth, as a result of which it was decided to send cockroaches first. However, 600 years later, cockroaches have evolved into humanoid creatures that hate humans. As a result, several expeditions were sent to Mars in order to destroy Terraformars(evolved cockroaches), but no one returned..... 2620. You've met your old friend, Michelle K. Davis, and you signed a contract in order to go to Mars and exterminate the Terraformars.