Conan O’Brien braves horror games Slender, Amnesia, and Outlast

For the latest episode of "Clueless Gamer," television host Conan O'Brien sat down to play some of the scariest games on the PC.

The picks? Last year's Slender: The Eight Pages, 2011's Amnesia: The Dark Descent, and this year's Outlast.

O'Brien has his own ideas about what makes monsters scary (or not scary) and which direction you should run in when you see them. Plus, he meets a pantless doctor …