...you walk into a restaurant and all the tables are large groups of heavyset men all wearing graphic tee shirts in various shades of black.
... a woman turns up at the hotel free breakfast buffet wearing a kimono, kitten ears and a furry tail and she is carrying a samuri sword (possibly for slicing bagels?)
...conversation overheard on the street #1 "...and then in 1930 he exploded his doomsday device and destroyed all of downtown Chicago"
...conversation overheard on the street #2 "...and it's generally assumed that everyone with psychic abilities has telekinesis."
...at the hotel check-in desk they have Jenga set up 'just to make you feel welcome'
...the man on the airport shuttle bus introduces himself and launches into a discussion on 'The Emergence of Game Mechanics as an aid to the Narrative'