Possible Clues:

• Game in which a message becomes distorted as it is passed round
• Game when precise hiss can be tricky?
• Game in which messages mutate
• Showing backbone, join chorus of disapproval about almost cheeky message being garbled
• Reformed characters in Shires chew snipe, or other game
• Game in which message becomes distorted as it is passed round
• Game in which press see changes
• Game giving rise to rumours in Beijing
• Game in which one can hardly hear what is said in a foreign language
• Rumours of an Oriental game?