Sunday cruise nights

I ran into the owner of the McDonald's in Olympia Fields at the corner of Route 30 and Western Ave and that location hosts a cruise night every Sunday. Some nights they do a fox hunt where they drive to 6 other McDonald's in the area and collect tickets (or something) and at the end of the "hunt" the winner collects $200 cash. I'm not certain how the winner is determined, I didn't have time to ask. I'm going to try and go this Sunday.