Tomb of the Lost Queen is the 26th installment in the Nancy Drew point-and-click adventure game series by Her Interactive. The game is available for play on Microsoft Windows and Mac OS X platforms. It has an ESRB rating of E for moments of mild violence. Players take on the first-person view of fictional amateur sleuth Nancy Drew and must solve the mystery through interrogation of suspects, solving puzzles, and discovering clues. There are two levels of gameplay, Amateur and Master sleuth modes, each offering a different difficulty level of puzzles and hints, however neither of these changes affect the actual plot of the game. The game is loosely based on a book entitled Secrets of the Nile (1995).[1][2]