The Royal Red Robin burger (it's got a fried egg in it!) with bottomless steak fries is a solid bet. Items like "it's a root beer float... but made with Guinness!": fun novelties, but no great shakes.
I been here a couple of time and the service was good until I go back again and the service sucks. This family got like 4 waiter/tress including the manager. Mine sucks. So slow and unorganized.
Service is spotty. Best to get in and get out ASAP cut you could find yourself waiting forever to be seated, to have your order taken, to get your food, get refills, and get the bill.