I'd recommend a reservation for the story rooms. Also, while you can't pre-book all of the VR experiences, you'll want to reserve a time with the attendant as soon as possible after you arrive. They fill up fast.
Yes most definitely get a reservation
You won't need reservations to get inside Twobit. But the games and stuff will require you to reserve time slots once you're inside and the staff will help out with all of that.
No
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