In Book of Dead the epoch under the microscope is Ancient Egypt as the game's reels are situated in a crypt adorned with hieroglyphics. . In Book of Dead the epoch under the microscope is Ancient Egypt as the game's reels are situated in a crypt adorned with hieroglyphics. In Book of Dead the epoch under the microscope is Ancient Egypt as the game's reels are situated in a crypt adorned with hieroglyphics.