Plot: I Spy Spooky Mansion is a search-and-find PC game developed by Black Hammer Productions and published by Scholastic in 1999 based on the I Spy children's books. Wikipedia
Plot: Mystery Case Files: The Malgrave Incident is a puzzle adventure video game developed by Big Fish Games and Sanzaru Games and published by Nintendo for the Wii video game console. It was released in North America in June 2011, and in Europe in September 2011. Wikipedia
Plot: Spy Games: Elevator Mission is a first person shooter by Japanese studio Dreams Co. Ltd., where the player tries to go through a 50-story building. Along the way, the player must recover 5 hidden data disks for each level. The building data are randomly generated. Wikipedia