Description Cluedo: Play the popular board game Cluedo online. Who is the murder? Find objects and try to find out how it was happen. How to play. You can now play the classic whodunit game online in Clue Mystery Match. from WorldWinner, you can now play Clue Mystery Match online, for free, job of transforming Hasbro's board game classics into engaging online. Introduced in , this classic detective game has moved beyond the board and into Clue: Secrets & Spies is an adventure game that can be played free at.