Yes, the term 'game room' is two separate words. It's a term in common use that can be considered an open spaced compound noun.
'Fitting room' is two words.
Two words. It is a room of the press.
It is two separate words: jury room.
Living Room is 2 words.
Both. Bath=room= bathroom bath and room are two different words it is a compound word
You spelled it correctly.
No it is two words: post room.
Food service is two words. An example sentence is "the food service is good here".
two words, locker room
"Classroom" is typically written as one word.
Yeah if you have two tv's and the right cords
Dictionary dot com lists both breakroom and break room as options for this word. However, in the example given of the word being used in a sentence they display "breakroom".