In addition, the restaurant does not advertise as vegan even though all food and drink is completely plant-based. Imagine the thousands of non-vegans having this fun experience only to discover at the end of the night that they were eating vegan food.
Vegan dining in the dark:
http://fatgayvegan.com/2019/02/05/blackout-vegan-dining-in-las-vegas/
I guess the secret's out now ...