College Game Day should start around 11 AM on Saturday morning, if I remember correctly from 2 years ago, and it'll run an hour, and then they'll do some pre-game probably starting around 7 or 8 PM before the game (I think?). It's not the most exciting thing to be at, but I did really enjoy it the first time around and I'll be there again this year. Beyond that, I honestly can't say what will or will not be open on campus - it's spring break (starts that day) and a lot is closed despite it being the day of the Carolina game. I don't have a lot of other suggestions beyond that, mostly because I'll be in the campus bubble of the Carolina game day.