Answer:
What travels from house to house and is sometimes narrow and sometimes wide but always stays outside?
What can be swallowed, But can also swallow you?
I have four legs but no tail. Usually I am heard only at night.
It's a game played by serious people that takes place on a global scale.
Who lives in a house with one bedroom, 50 hallways, and ghosts lurking everywhere?
What is so fragile that saying its name breaks it?