Berlin (dpa) — The enormous silhouette of an oil rig slowly rises from a wall of fog and braces itself against the swaying waters of the dark North Sea. The first seconds of the new first-person horror game “Still Wakes the Deep” draw you into a threatening atmosphere and lay the foundation for a survival story far out at sea. Cameron “Caz” McLeary is at the centre of the story. It’s Christmas in the 1970s and he’s reading the last words of a letter from his wife in his cabin. They paint a picture of a broken marriage. Through the eyes of the Scottish electrician, we get to know the rest of th…