It is almost midnight in London.
Thank you all for contributing clues.
I liked paul@1, fj@7 and mattrom@28.
But it was between nemo@16 and tatters@4.
I am going with tatters.
Game with numerous players but only one counter [4-3-4]
Congratulation tatters.
Here are two themed prizes:
Imogen Heap's Hide and Seek:
https://www.youtube.com/watch?v=UYIAfiVGluk
Eppic's Hide and Seek song featuring Poppy:
https://www.youtube.com/watch?v=YPdScIk4dF0