A small box expansion for the G.I. Joe Deck-Building Game featuring two new missions! In the first, discover a traitor in the midst of G.I. Joe and break them free of Dr. Mindbender's programming. In the second mission, take on the role of Snake Eyes as he embarks on a dangerous solo mission to the Silent Castle to rescue Scarlett from the clutches of Cobra! All new solo mode missions featuring Snake Eyes, where players play through the story of the most famous G.I. JOE comic: Silent Interlude. Multiplayer missions A Traitor Within where players may have a traitor in their midst.