In this adventure Mortadelo and Filemón will have to infiltrate in the National Museum of Moscow to obtain the Sacred Book of Ra-Amun, that will be exposed there during a month. It seems that the Egyptologist Apotesis, leader of the Sixth Sect, tries to seize this book for evil purposes. It is said that the book contains powerful spells that the Sixth Sect can use to dominate the world. Mortadelo and Filemón with the help of the user should get the book before them. Objective: infiltrate the museum and steal the book.

The adventure takes place in several scenarios among which stand out: the plane, the bank, the tourist office, the Red Square bar, the Moscow National Museum... for which the user must drive Mortadelo and Filemón so that get the Sacred Book of Ra-Amun (you can change your character according to your needs). A local multiplayer mode is also included, in which each player will handle one of our beloved heroes.