The Spoodles Pizza Window is a counter-service option - I think that's what you're referring to. First of all, I don't think they'd let you get a full pizza, but you could always ask!
If the choice is a slice of pizza, I would not waste a counter-service meal on it.
If the pizza window would let you pick a slice of pizza, order of breadsticks, drink and a dessert (if they have them), that might be worth it. You could also choose a calzone.
I suggest you pick places where you get at least $10 worth of food, drink, dessert, and tax - if not more.
Hope this helps!