Total revenue at Ohio's four full-service casinos dropped by just under $1 million from October to November.
The state's casinos pulled in $62.9 million in all of November. That's down about 10 percent compared with a year ago.
Casinos in Toledo, Cleveland and Columbus all saw their revenue drop off last month, while Cincinnati's Horseshoe Casino was up nearly $2 million from the previous month.
Cleveland's casino saw a 20-percent drop in November compared with the same month a year ago, while Cincinnati had a 10-percent drop.
The casinos in Columbus and Toledo were down from last year too, but only slightly.