Agatha Christie: Murder on the Orient Express is a 2006 adventure game developed by AWE Productions and published by The Adventure Company for Microsoft Windows. It is the second installment in The Adventure Company's Agatha Christie series. The setting is five years before the events in Agatha Christie: And Then There Were None with a largely unrelated storyline. The plot follows an amateur sleuth Antoinette Marceau and her investigation of a murder with twelve possible suspects aboard the Orient Express which has been blocked by an avalanche in the Kingdom of Yugoslavia during 1934. She is aided by famous detective Hercule Poirot.