In Midnight Mysteries: Devil on the Mississippi, Mark Twain�s ghost is seeking help from beyond. Twain�s passion for literary history reignites a controversial debate about the true identity of Shakespeare, and the question resurrects one of the most interested parties from the dark side. After waking the evil spirit, you set out on a mission with Twain to try to banish it, but the plot only thickens. With Twain�s help, the player is tasked to unravel the connections to try to set history straight while dangerous forces loom.