The UIGEA austun had an impact on American online gambling, just not in the way lawmakers intended. States like Maine, Delaware, and Iowa are moving to increase access to commercial and tribal gaming.gala riverboat casino CASINO GARY IN INDIANA Despite the lack of legalized gambling in and around Austin, the city does have a card room. It’s called the Texas Card House, and its website claims to be completely legal. There is no rake, nor is their tipping allowed. Story Features. Texas ' lone legal casino. AUSTIN (KXAN) – Illegal gambling rooms are popping up around Austin and police say they can be magnets for crime and violence. Legal forms of gambling in the U.S. state of Texas include the Texas Lottery; parimutuel wagering on horse and greyhound racing; charitable bingo, pull-tabs, and raffles; and one Indian casino. The Texas Lottery, begun in , offers scratch-off and drawing games.