Neon Nights: Mini Escape Mystery

Free to play. Fastest 2-person team wins $50 cash.
Drinks and treats available for purchase, but not required.
Use this wording:
Neon Nights: Mini Escape Mystery

Grab a teammate and see if you can solve the Neon Code the fastest. Teams of 2 will have 10–15 minutes to solve clues, crack codes, and unlock the final mystery box.
The fastest team of two to complete the mystery correctly will win a $50 cash prize.
No purchase necessary to participate. One official attempt per team. Limited time slots available.
This keeps it simple, fun, and still gives people a reason to show up.