In December 1973, the large space research spacecraft PIONEER 10 spacecraft passed Jupiter and left the solar system, heading into infinite space. It carried a plaque informing that they were human beings from the planet EARTH. In the year 3021 , AD Pioneer returns to Earth in an alien spacecraft that wishes to connect with the alien spacecraft that wishes to connect with earth. Unfortunately Unfortunately, the pirates "Steg" have boarded and disabled the ship, which has caused the the ship's self-destruct mechanism is engaged. You are the first person to reach the ship after it has crashed to earth. You have a limited time to disarm the self-destruct mechanism before it destroys the planet. The alien crew in the evacuation has left behind several weapons and objects that will be useful in your mission. You will discover them as you as you solve and complete various missions, but you have to hurry. Good luck to you.