A mysterious spacecraft slips silently through the dark gray clouds. After a while it began to malfunction, the engine broke down, and the ship fell to the nearest planet. When injured the pilot came out of a coma, he realized he was the sole survivor, and he must stay alive on an unknown planet. He'll have to fend off all the unseen creatures, using six types of weapons. Help him survive until the rescue ship arrives, or he will never fly away from there again.