1. Mike n' Ikes in a bowl. (My hands can't fit inside the box, then I have to stop, get my hand out, ya picking up what I'm putting down?) 2. A Box of pizza. 3. A bottle of soda. 4. Chocolate Chips.
Something healthy, but a lot of it. Because people eat more when gaming, due to the stress caused by the stimulation. That's why gamers and computer people are overweight generally, lots of sitting and eating.
Last wednesday me and my cousin ate 3 dozen cookies, two dozen little ice cream cup thingies, a gallon of sunny d and two two gallons of kool aide in a 24 hour period while playing NBA Jam on my SNES. That was a good day.
For PC gaming: Cookies, ice cream, muffins. For unpauseable games I often just eat when I'm regenerating HP/MP. For pauseable games, anything goes. I ate Jell-o today while playing Diablo 2. For console gaming I usually drink rather than eat, but for food, always gummy worms.