Nancy Drew: The Deadly Device is an Adventure, Point-and-Click, and Single-player video game, serving as the 27th title in the long-running series of Nancy Drew video games, developed by Her Interactive. The game is available to play on Mac OS X and Microsoft Windows platforms. In the game, the player assumes the first-person perspective of fictional amateur sleuth name Nancy Drew, a female character. During the gameplay, the player needs to solve complex mysteries through finding clues, interrogating suspects, and solving puzzles. The game features two levels of gameplay such as Amateur and Master Sleuth modes, and each comes with a different difficulty setting of puzzles and hints. The gameplay is loosely based on two books such as In and Out of Love and the Crime Lab Case. The game offers a thrilling storyline, revolving around a theoretical physicist named Niko Jovic who discovered fatally electrocuted in the laboratory. The work of Niko Jovic could sell for millions of market. The owner of the lab called the protagonist to go undercover to investigate the murder. Nancy Drew: The Deadly Device lets to become a detective and test his skills.