Athanasia, the indie horror game that traps you in a mysterious facility full of dinosaurs, is launching in the ideal horror-game window: just before Halloween. GameSpot can exclusively reveal Athanasia’s release date; it comes to PC on October 19 via Steam Early Access. In Athanasia, players find themselves trapped in a South American research facility swarmed by dinosaurs that have somehow traveled through time to the present day in the game’s story. Though the art style recalls something quite like…