Teria: an action quest 3D game for science fiction fans. However, on June 17, 2143, the crisis center of the Central Astronautics Agency picked up a distress signal from small planet Teria, which was then forwarded to Alex. Alex is a private detective who at that time happened to be not far from Teria. As his spaceship completed its landing on the planet, it was attacked and ultimately destroyed by unknown assailants. In order to survive, Alex must find out the truth...