Blind man's buff was a children's game in which one person was blindfolded and had to find the other participants.
A young Amelia Pond and Rory Williams once played the game, and Amelia forgot. Rory was eventually found in Mrs. Angelo's garden. (TV: Let's Kill Hitler, WC: The Raggedy Doctor by Amelia Pond)
The Eleventh Doctor, who was tricked into playing the game by Artie and Angie Maitland so that they could escape their house for the cinema, was "pretty sure it was in the rules" that they had to tell him whether he was "getting warm". (TV: The Name of the Doctor)
In a more dangerous version of the game, the clowns Clara and Joey were used by the Celestial Toymaker to play the game against Steven Taylor and Dodo Chaplet. (TV: The Celestial Toymaker)
Ludovic Comfort once attempted to play blind man's buff alone. Needless to say, it proved futile, and he soon gave up. (AUDIO: The Magic Mousetrap)
The children of Christmas, Trenzalore played blind man's buff. (TV: The Time of the Doctor)