D4: Dark Dreams Don't Die tells the story of David Young – former Boston PD Narcotics Unit turned private detective. He possesses the supernatural ability to travel through time by touching certain items called 'mementos'. Two years ago, Young's wife was killed by an unknown assailant. The search for her mysterious killer became Young's obsession. One day, he receives a case that might be related to the murderer. If Young obtains a memento that could take him back to the day his wife was killed then perhaps he'd be able to change his destiny.
D4 is a cinematic adventure game that can be played either with a standard controller or through the use of the Kinect sensor for gestures and voice commands. The player assumes the role of David Young and explores environments collecting items, talking to characters, solving environmental puzzles and completing various quick time events. Movement is restricted to predefined paths. The game utilizes cel-shaded graphics and introduces a wide array of wacky characters.