Many casinos will publish the payout percentages (expected returns) for their games on their website. Usually, the percentage is an average of all of their games or a variety (e.g. slots, video poker, table games, poker games…). If the casino had their games reviewed by an accredited testing institution, you’ll see a seal on the bottom of their site, indicating that they comply with fair gaming standards. The seal may link to a published report on the payout percentages. If you don’t see the payout percentage on the site, you can contact the casino’s customer service team and ask them for more information.