Legend has it that on the sixth day of the sixth month of the sixth year of each new millennium, the portal sealing the realm of darkness opens for a day and a night. "Woe to those who dare to cross the threshold of life and death, for once on the other side, finding the way back can be a daunting task." June 6, 2006. Agent P. Stone investigates a strange case of disappearance in a village in central Europe. Following a lead, he ventures into a forest where he finds a strange monument, a kind of portal. Drawn by a hypnotic attraction, he crosses to the other side... Traverse a strange world plagued by obstacles and monsters and obtain the three keys from the fire guardians that open the portal to escape alive from this hell. Defend yourself with your upgradeable multidirectional machine gun and use the potions you find to survive this adventure.