There is a possibility of getting some of that money refunded by filing a state income tax return. The $1,200 threshold would applies to any cash prizes won in casino tournaments or drawings. If you win a jackpot in a Louisiana casino of $1,200 or more, the Louisiana casino will keep 6% of your winnings as tax for the Louisiana Department of Revenue.Just click here to see a list of slot machine payback statistics for all Louisiana casinos. State regulations require that gaming machines at all of Louisiana’s non-Indian casinos be programmed to pay back no less than 80% and no more than 99.9%. The payback percentages for slot machines at all casinos in Lake Charles are released as a matter of public record.Slot Payback Statistics for Casinos in Lake Charles The racetrack casino onll offers slot machines: no table games or video poker. All non-racetrack casinos in the Lake Charles area offer: blackjack, craps, roulette, baccarat, slot machines, video poker, and video keno.All casinos in Lake Charles are open 24 hours a day.There are three kinds of casinos in Lake Charles: three riverboat casinos (which do not cruise), one Native American casino and one racetrack (pari-mutuel)casino.Horseshoe Lake Charles – Formerly known as Isle of Capri Lake Charles.Click on the name of any casino to see a page of detailed information about that particular casino.