Take Jenga and Clue; place Professor Plum on top of the Jenga tower. Play Clue normally, but every time a suggestion is made and disproved, pull a block from the Jenga tower and don't replace it. Solve the crime before the tower falls!
"Why is it always the HAT photograph? Is it a cap? Why's it got two fronts? A 'deerstalker'? Why would I stalk a deer with a hat? Do I throw it? Is it some form of death frisbee? It's an EAR HAT, JOHN!" Such a funny scene!