Instructions: Arrow keys; Mouse.
Space bar to pick up objects and to open doors.
Tab key to alternate between each character.
<a href="http://www.funpuzzlesgames.eu/index.php?og=Mental%3A+Murder+Most+Foul%3E%3E%3E%3Efc4fabf714bc5761&ogc=Puzzles" target="_blank">Mental: Murder Most Foul</a>