It depends on how immersive and fast paced the game is, for me anyway. I almost always have a drink at hand, be it water or a caffeinated beverage, but often I have to take a break to eat anything. Although, quick and easy snack foods, like chips, aren't that difficult to work in to most gaming sessions.
We rest Eating Or Drinking While Playing Video Games to share a message from way back when:
Today is: 20th February (GMT), in history on the 20th of February, 1955 AD the following event happened:
Fay Crocker wins LPGA Serbin Golf Open