Just click here to see a list of slot machine payback statistics for casinos in all U.S. Unlike casinos in many other states, the slot machine payback statistics for Kansas are not released as a matter of public record. However, according to tribal-state compacts, “the minimum payback percentage for electronic gaming devices is 80%.” The Indian casinos in Kansas do not release information on their slot machine payback percentages. However, gaming regulations require that all machines return no less than 87%. No information is released about the payback percentages on electronic gaming machines at state-operated casinos in Kansas. Slot Machine Payback Percentages at Kansas Casinos