All of Texas’ Indian casinos are open 24/7 and restricted to patrons age 21 and older. Speaking Rock draws big crowds for its mostly free, year-round concerts, so make sure you arrive early if you want a good viewing spot. Naskila Gaming is an alcohol-free zone with a nearby lakeside campground should you wish to spend the night. Inside both casinos you’ll find devices that look and sound like traditional slot machines but, in actuality, are electronic bingo games in which you play a card on each spin and compete against other players. The disputed Indian casinos are Naskila Gaming, located about 90 minutes northeast of Houston, and Speaking Rock Entertainment Center in El Paso, owned and operated by the Alabama-Coushatta and Tigua tribes, respectively.